This is a list of episodes from the television series ''

Land of the Giants ''Land of the Giants'' is a one-hour American science fiction television series that aired on ABC for two seasons, beginning on September 22, 1968 and ending on March 22, 1970. The show was created and produced by Irwin Allen. ''Land of the Gi ...

'', which ran for two seasons between 1968 and 1970. The list below gives original airdates, writer, director, guest stars, and brief synopsis information of each episode.

Series overview

Episodes

Season 1 (1968–69)

Season 2 (1969–70)

{{Episode table , background=#C0C0FF , overall=2 , season=2 , title=24 , writer=23 , director=17 , airdate=15 , prodcode=6 , episodes= {{episode list , Title = The Mechanical Man , EpisodeNumber = 27 , EpisodeNumber2 = 1 , ProdCode = 4703 , OriginalAirDate = {{Start date, 1969, 9, 21 , WrittenBy = William L. Stuart , DirectedBy = Harry Harris , ShortSummary = The Earthlings witness a giant who goes berserk, trashes a drugstore, and murders a security guard with his bare hands. They learn the man is really a malfunctioning android, created by a scientist named Gorn, who manages to capture Mark and Fitzhugh. When Gorn learns Mark is an engineer, he makes a deal with him to figure out what is wrong with his robot in exchange for his freedom. Mark gets the machine working, but when Gorn is not forthcoming with his end of the deal, Steve and the others climb inside the robot and hijack it.
''Guest Stars:'' Broderick Crawford (Prof. Gorn),

Stuart Margolin Stuart Margolin (January 31, 1940 – December 12, 2022) was an American film, theater, and television actor and director who won two Emmy Awards for playing Evelyn "Angel" Martin on the 1970s television series ''The Rockford Files''. In 1973, h ...

(Zoral), William Chapman (Secretary Mek), James Daris (Super Giant Robot), Richard Carlyle (Special Policeman), Steven Marlo (Minor SID Official), Erik L. Nelson (SID Officer) , LineColor = C0C0FF {{episode list , Title = Six Hours to Live , EpisodeNumber = 28 , EpisodeNumber2 = 2 , ProdCode = 4706 , OriginalAirDate = {{Start date, 1969, 9, 28 , WrittenBy = Daniel B. Ullman , DirectedBy =

Sobey Martin Sobey Martin (27 June 1909 – 27 July 1978) was an American director of television and short films, mainly in the 1950s and 1960s. Martin directed the film ''Four Nights of the Full Moon'' ( es, Las cuatro noches de la luna llena) (1963), starri ...

, ShortSummary = The little people overhear an anxious farmer named Cass admit to committing a murder for which an innocent man named Reed is to be executed. Steve decides to help Reed, and contacts a reporter named Simmons, who is covering the execution. In exchange for the story of his career, Simmons sneaks Steve and Dan into Reed's cell and the two help him escape. Meanwhile, the other Earthlings try to delay Cass and his wife, who are trying to sneak out of town with a stash of money they stole during the crime. When Reed shows up to confront them, they think he is a ghost, and Cass confesses to the murder and theft while being secretly tape recorded.
''Guest Stars:''

Richard Anderson Richard Norman Anderson (August 8, 1926 – August 31, 2017) was an American film and television actor. Among his best-known roles was his portrayal of Oscar Goldman, the boss of Steve Austin ( Lee Majors) and Jaime Sommers ( Lindsay Wagner) i ...

(Joe Simmons), Anne Seymour (Martha Cass), George Mitchell (Harry Cass), Bill Quinn (Warden Sloan),

Sam Elliott Samuel Pack Elliott (born August 9, 1944) is an American actor. He is the recipient of several accolades, including a National Board of Review Award, and has been nominated for an Academy Award, two Golden Globe Awards, two Primetime Emmy Aw ...

(Martin Reed),

Larry Pennell Lawrence Kenneth "Larry" Pennell (February 21, 1928 – August 28, 2013) was an American television and film actor, often remembered for his role as "Dash Riprock" in the television series ''The Beverly Hillbillies''. His career spanned ha ...

(Guard), Michael Quinn (Gateman), Stewart Bradley (Police Sergeant) , LineColor = C0C0FF {{episode list , Title = The Inside Rail , EpisodeNumber = 29 , EpisodeNumber2 = 3 , ProdCode = 4701 , OriginalAirDate = {{Start date, 1969, 10, 5 , WrittenBy = Richard Shapiro , DirectedBy = Harry Harris , ShortSummary = While at a horseracing track, Fitzhugh finds a winning ticket on the ground and makes a deal with a giant racetrack bum named Moley, to split the winnings 50/50. Moley cashes the ticket, but a security guard becomes suspicious and arrests him. Moley leads the guard back to Fitzhugh, who manages to get away, but Mark, Valerie, and Betty are captured by a second guard, who secures them in a desk drawer. While Steve and Dan attempt to rescue the others, Fitzhugh discovers a giant thug trying to drug the favorite, Mannequin, so he will lose in the next race.
''Guest Stars:''

Ben Blue Ben Blue (born Benjamin Bernstein; September 12, 1901 – March 7, 1975) was a Canadian-American actor and comedian who had a career that spanned nearly 50 years. Early life He was born Benjamin Bernstein in Montreal, Quebec on Septem ...

(Moley), Arch Johnson (Chief Rivers),

Joe Turkel Joseph Turkel (July 15, 1927 – June 27, 2022) was an American character actor who starred in film and television during the Golden Age Era in the 1950s and 1960s. He is known for his roles in Stanley Kubrick's films '' The Killing'', ''Paths ...

(Sergeant),

Vic Tayback Victor E. Tayback (January 6, 1930 – May 25, 1990) was an American actor. He is known for his role as Mel Sharples in the film ''Alice Doesn't Live Here Anymore'' (1974) and the television series ''Alice'' (1976–1985). The latter earned him t ...

(Hood), John Harmon (Groom) , LineColor = C0C0FF {{episode list , Title = Deadly Pawn , EpisodeNumber = 30 , EpisodeNumber2 = 4 , ProdCode = 4709 , OriginalAirDate = {{Start date, 1969, 10, 12 , WrittenBy =

Arthur Weiss Arthur Weiss (13 June 1912 – 26 August 1980) was an American script writer for two decades on action/adventure TV shows like '' Mission: Impossible'', ''Mannix'', '' The Fugitive'', ''Super Friends'', ''The Time Tunnel'' and ''Sea Hunt''. His ...

, DirectedBy =

Nathan Juran Naftuli Hertz "Nathan" Juran (September 1, 1907 – October 23, 2002) was a Romanian film art director, and later film and television director. As an art director, he won the Oscar for Best Art Direction in 1942 for ''How Green Was My Valley'', ...

, ShortSummary = An insane grand master named Kronig captures the little people, but proposes a deal with them – play him at

chess Chess is a board game for two players, called White and Black, each controlling an army of chess pieces in their color, with the objective to checkmate the opponent's king. It is sometimes called international chess or Western chess to dist ...

and if they win, they go free; lose and he turns them over to the SID. The Earthlings choose Barry, their strongest player and a junior state chess champion on Earth. An enraged Kronig believes the little people are being disrespectful by having a boy oppose him, and he has the other humans tied to the chess pieces. Kronig has lied, however; the chess game is a no win-no win for in reality - if their piece is captured, they will fall through the squares of the mechanical chess table and down into a blast furnace. Dr Lalor, Kronig's therapist, protests against Kronig's cruelty, so Kronig has him locked in the closet. Steve and Dan escape from the chessboard and try to release Lalor. Meanwhile, Barry starts to lose the game, putting the lives of those still on the board in jeopardy.
''Guest Stars:''

Alex Dreier Alexander M. Dreier (June 26, 1916 – March 11, 2000) was an American news reporter and commentator who worked with NBC Radio during the 1940s, and later with the ABC Information Radio network in the 1960s and early 1970s. Dreier then became a ...

(Kronig),

John Zaremba John Zaremba (October 22, 1908 – December 15, 1986) was an American actor most noted for supporting roles on science fiction films and television series. The Chicago-born Zaremba was a journalist for the ''Grand Rapids Press'' and ''Chicago T ...

(Dr. Lalor), Charles Briggs (Guard), Steven Marlo (Technician) , LineColor = C0C0FF {{episode list , Title = The Unsuspected , EpisodeNumber = 31 , EpisodeNumber2 = 5 , ProdCode = 4707 , OriginalAirDate = {{Start date, 1969, 10, 19 , WrittenBy = Bob and Esther Mitchell , DirectedBy = Harry Harris , ShortSummary = Steve is exposed to spores from a poisonous mushroom and becomes violently paranoid. Thinking the others are trying to turn him over to the SID, he lures them away one by one from the ship and ties them up inside a vent. Meanwhile, Inspector Kobick, knowing Steve has been exposed to the mushroom, expects the human to turn on his friends. He radios Steve with a deal to turn in those he captured, and he will help him get back to Earth. When Dan comes in contact with the mushroom, he experiences its hallucinatory effects and realizes Steve has been drugged.
''Guest Stars:''

Kevin Hagen Kevin Hagen (April 3, 1928 – July 9, 2005) was an American actor best known for his role as Dr. Hiram Baker on NBC's ''Little House on the Prairie (TV series), Little House on the Prairie.'' Early life Hagen was born in Chicago, Illinois, t ...

(Insp. Kobick),

Leonard Stone Leonard Stone (born Leonard Steinbock; November 3, 1923 – November 2, 2011) was an American character actor who played supporting roles in over 120 television shows and 35 films. Early years Stone was born in Salem, Oregon. The son of Mr. and ...

(Sgt. Eson) , LineColor = C0C0FF {{episode list , Title = Giants and All That Jazz , EpisodeNumber = 32 , EpisodeNumber2 = 6 , ProdCode = 4705 , OriginalAirDate = {{Start date, 1969, 10, 26 , WrittenBy = Richard Shapiro , DirectedBy = Harry Harris , ShortSummary = Fitzhugh, Barry, and Valerie check out a music club and witness a man named Hanley rough up a down-on-his-luck

trumpet The trumpet is a brass instrument commonly used in classical and jazz ensembles. The trumpet group ranges from the piccolo trumpet—with the highest register in the brass family—to the bass trumpet, pitched one octave below the standard ...

player named Biff Bowers, who owes him money. Later, Bowers manages to capture Valerie and Barry, and knowing they are worth a hefty reward, he calls the SID. Unbeknown to Biff, Mark has rigged the phone and Steve intercepts the call to SID and buys the others some time, but Dan tries a different approach – make Bowers a star overnight by teaching him Earth's

jazz Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana in the late 19th and early 20th centuries, with its roots in blues and ragtime. Since the 1920s Jazz Age, it has been recognized as a m ...

, in exchange for letting his companions go.
''Guest Stars:''

Sugar Ray Robinson Walker Smith Jr. (May 3, 1921 – April 12, 1989), better known as Sugar Ray Robinson, was an American professional boxer who competed from 1940 to 1965. He was inducted into the International Boxing Hall of Fame in 1990. He is often regard ...

(Biff Bowers),

Mike Mazurki Mike Mazurki (December 25, 1907 – December 9, 1990) was a Ukrainian-American actor and professional wrestler who appeared in more than 142 films. His 6 ft 5 in (196 cm) presence and face had him typecast as often brainless athletes ...

(Loach), William Brambley (P.G. Hanley), Diana Chesney (Nell) , LineColor = C0C0FF {{episode list , Title = Collector's Item , EpisodeNumber = 33 , EpisodeNumber2 = 7 , ProdCode = 4704 , OriginalAirDate = {{Start date, 1969, 11, 2 , WrittenBy = Bob and Wanda Duncan (s),
Sidney Marshall (t) , DirectedBy = Sobey Martin , ShortSummary = Valerie becomes the centerpiece of a golden music box, when a man named Garak captures her and puts her inside it as a dancing figurine. Garak then presents the box as a birthday gift to his wealthy toy-collecting uncle, but Steve and Mark soon learn Garak stands to inherit a fortune from his uncle, and the box is really a bomb triggered to go off if someone opens the cage door. While Dan and Fitzhugh try to rescue Valerie, Steve and Mark warn Garak's wife that her husband is trying to commit a murder.
''Guest Stars:''

Guy Stockwell Harry Guy Stockwell (November 16, 1933 – February 6, 2002) was an American actor who appeared in nearly 30 movies and 250 television series episodes. Life and career Stockwell was born in New York City, the son of singer/dancer Elizabeth "B ...

(Garak),

Robert H. Harris Robert H. Harris (born Robert H. Hurwitz; July 15, 1911 – November 30, 1981) was an American character actor. Stage A veteran of the Yiddish Art Theater from his teens, Harris made his first Broadway appearance in 1937 in ''Schoolhouse on the ...

(Uncle Tojar), Susan Howard (Mrs. Garak), George Sperdakos (Goldsmith), Erik L. Nelson (SID Man) , LineColor = C0C0FF {{episode list , Title = Every Dog Needs a Boy , EpisodeNumber = 34 , EpisodeNumber2 = 8 , ProdCode = 4711 , OriginalAirDate = {{Start date, 1969, 11, 9 , WrittenBy = Jerry Thomas , DirectedBy = Harry Harris , ShortSummary = Chipper is injured when the bark from a giant dog sends him tumbling into a wall, and Barry risks capture by taking him to a veterinarian at a pet store. Valerie follows and helps Barry get Chipper into the vet's office, but they are discovered by the vet's assistant Ben, who does what he can to help the tiny dog. Soon, the shop owner's bullying son Carl arrives, and learns little people are hiding there and tries to capture them. Later, Carl loses a valuable movie dog named King, and Ben goes to search for it, leaving Carl to snoop around and find Barry and Valerie's hiding spot. ''Note:'' Series regular Heather Young (Betty) does not appear in this episode.
''Guest Stars:'' Michael Anderson Jr. (Ben), Tom Nardini (Carl), Oliver McGowan (Dr. Howard),

Robert Shayne Robert Shayne (born Robert Shaen Dawe, October 4, 1900 – November 29, 1992) was an American actor whose career lasted for over 60 years. He was best known for portraying Inspector Bill Henderson in the American television series '' Adven ...

(Mr. Clinton) , LineColor = C0C0FF {{episode list , Title = Chamber of Fear , EpisodeNumber = 35 , EpisodeNumber2 = 9 , ProdCode = 4702 , OriginalAirDate = {{Start date, 1969, 11, 16 , WrittenBy =

, DirectedBy = Sobey Martin , ShortSummary = Fitzhugh is captured by a wax sculptor named Deenar, who is partner to a jewel thief named Jolo. When Jolo orders the artist to cut up a large diamond into 10 small pieces, he refuses, believing three pieces would be worth more, and Jolo angrily ends their partnership. When Steve and Dan come to rescue Fitzhugh, they offer Deenar a deal to sneak the diamond away from Jolo in exchange for the release of their friend. Deenar agrees, but Steve sends Mark and Valerie to fetch the diamond while Dan and he try to release Fitzhugh. The rescue becomes more difficult when they learn Fitzhugh is being guarded by a fierce dog.
''Guest Stars:''

Cliff Osmond Cliff Osmond (born Clifford Osman Ebrahim; February 26, 1937 – December 22, 2012) was an American character actor and television screenwriter. A parallel career as an acting teacher coincided with his other activities. Early life Osmond wa ...

(Jolo), Christopher Cary (Deenar), Joan Freeman (Mara), Don Kennedy (Policeman), Robert Tiedemann (The Monk) , LineColor = C0C0FF {{episode list , Title = Comeback , EpisodeNumber = 36 , EpisodeNumber2 = 10 , ProdCode = 4713 , OriginalAirDate = {{Start date, 1969, 11, 23 , WrittenBy = Richard Shapiro , DirectedBy = Harry Harris , ShortSummary = Steve, Mark, Valerie, and Fitzhugh talk a washed-up movie star named Egor out of committing suicide, but he repays their kindness by putting them in a shoebox and trying to sell them to a movie studio. Unfortunately, Egor is rejected at every turn, until he visits a B-movie studio whose greedy producer, Manfred, gets an idea for a movie about living dolls. Meanwhile, Dan and Barry try to rescue the others from the set before Manfred makes them the hapless victims of gory death scenes that are not in the script. ''Note:'' Series regular Heather Young (Betty) does not appear in this episode.
''Guest Stars:''

John Carradine John Carradine ( ; born Richmond Reed Carradine; February 5, 1906 – November 27, 1988) was an American actor, considered one of the greatest character actors in American cinema. He was a member of Cecil B. DeMille's stock company and later ...

(Egor Crull), Jessie White (Max Manfred),

Fritz Feld Fritz Feld (October 15, 1900 – November 18, 1993) was a German-American film character actor who appeared in over 140 films in 72 years, both silent and sound. His trademark was to slap his mouth with the palm of his hand to create a "pop" s ...

(Quigg),

Olan Soule Olan Evart Soule (February 28, 1909 – February 1, 1994) was an American actor, who had professional credits in nearly 7,000 radio shows and commercials, appearances in 200 television series and television films, and in over 60 films. Soul ...

(Cameraman),

James Jeter James Jeter, also known and credited as James Jeeter, (September 15, 1921 – March 4, 2007) was an American film, stage and television actor. He was known for playing the recurring role of blacksmith Hans Dorfler in the American historical dram ...

(Studio Gateman), Janos Prohaska (Baby Gorilla) , LineColor = C0C0FF {{episode list , Title = The Clones , EpisodeNumber = 37 , EpisodeNumber2 = 11 , ProdCode = 4712 , OriginalAirDate = {{Start date, 1969, 11, 30 , WrittenBy =

Oliver Crawford Oliver Crawford (August 12, 1917 – September 24, 2008) was an American screenwriter and author who overcame the Hollywood blacklist during the McCarthy Era of the 1950s to become one of the entertainment industry's most successful televisi ...

,
Bob and Esther Mitchell (t) , DirectedBy = Nathan Juran , ShortSummary = A giant scientist abducts some of the little people and begins making

clones Clone or Clones or Cloning or Cloned or The Clone may refer to: Places * Clones, County Fermanagh * Clones, County Monaghan, a town in Ireland Biology * Clone (B-cell), a lymphocyte clone, the massive presence of which may indicate a pathologi ...

of them. After the duplicates of Valerie and Barry sabotage the ship and try to kill the others, Steve, Mark, and Dan try to rescue the originals who are being held in a lab. The near-perfect clones have a flaw, however, as they become violent and then die within hours of being created. They can also be identified by dark spots on their skin, but the scientist has a special plan for Dan when he realizes the spots are invisible on Dan's dark skin and his clone will make a better spy. ''Note:'' Series regular Heather Young (Betty) does not appear in this episode.
''Guest Stars:''

William Schallert William Joseph Schallert (July 6, 1922 – May 8, 2016) was an American character actor who appeared in dozens of television shows and films over a career spanning more than 60 years. He is known for his roles on '' Richard Diamond, Privat ...

(Dr. Arno), Sandra Giles (Dr. Greta Gault) , LineColor = C0C0FF {{episode list , Title = A Place Called Earth , EpisodeNumber = 38 , EpisodeNumber2 = 12 , ProdCode = 4708 , OriginalAirDate = {{Start date, 1969, 12, 7 , WrittenBy = William Welch , DirectedBy =

Harmon Jones Harmon Clifford Jones (June 3, 1911 – July 10, 1972) was a Canadian-born film editor and director who worked for many years at the 20th Century-Fox studio in Southern California. He is credited as the editor for about 20 feature films through ...

, ShortSummary = Two humans, Olds and Fielder, travel from the year 5477 to observe Earth in the past, but they accidentally arrive on the giants' planet. They show up at the Earthlings' camp just as a giant stumbles upon the ''Spindrift'', but the futuristic humans kill the intruder and disintegrate the body with an amulet weapon before anyone realizes what happened. Steve quickly becomes suspicious of their new guests and learns they are renegades who originally planned to kill all humans on Earth and leaving those few they captured to repopulate the future Earth with humans they can easily control.
''Guest Stars:''

Warren Stevens Warren Albert Stevens (November 2, 1919 – March 27, 2012) was an American stage, screen, and television actor. Early life and career Born in Clarks Summit, Pennsylvania, Stevens entered the United States Naval Academy in 1937 but was medical ...

(Olds),

Rex Holman Rexford George Holman (born 1935) is an American film and television actor. Holman was born in Oklahoma. He began his screen career in 1959, appearing in the anthology television series '' The Millionaire''. In 1960 he made his film debut in ' ...

(Mezron), Jerry Douglas (Fielder), Jerry Quarry (Bron), Scott Thomas (Messenger), Gene LaBell (Mezron's Brother), John Mooney (Pharmacist) , LineColor = C0C0FF {{episode list , Title = Land of the Lost , EpisodeNumber = 39 , EpisodeNumber2 = 13 , ProdCode = 4710 , OriginalAirDate = {{Start date, 1969, 12, 14 , WrittenBy = William Welch , DirectedBy = Nathan Juran,
Sobey Martin , ShortSummary = Steve, Mark, Valerie, and Barry become caught in a toy balloon and end up pulled by a strange force over a thousand miles across a violent ocean to a land ruled by a ruthless dictator named Titus. The despot, however, has no knowledge of the land across the ocean and thinks all the inhabitants are as small as the little people. When Steve explains that giants live there, as well, Titus demands he bring back proof of their existence and technology. While Titus holds the others hostage, Steve travels back to get photos of the giants and to fetch Dan and Fitzhugh, who try to sabotage Titus's attraction beam that pulled them there. ''Note:'' Series regular Heather Young (Betty) does not appear in this episode.
''Guest Stars:''

Nehemiah Persoff Nehemiah Persoff (August 2, 1919 – April 5, 2022) was an American character actor and painter. He appeared in more than 200 television series, films, and theatre productions and also performed as a voice artist in a career spanning 55 years, be ...

(Titus),

Clint Ritchie Clinton Charles Augustus Ritchie (August 9, 1938 – January 31, 2009) was an American actor. Early life Ritchie was born on a farm near Grafton, North Dakota, to J. C. and Charlotte Ritchie, and his family moved to Washington state when he ...

(Andros), Bob Braun (Balloon Vendor), Peter Canon (Slave #1), Brian Nash (Boy in Park) , LineColor = C0C0FF {{episode list , Title = Home Sweet Home , EpisodeNumber = 40 , EpisodeNumber2 = 14 , ProdCode = 4715 , OriginalAirDate = {{Start date, 1969, 12, 21 , WrittenBy = William Welch , DirectedBy = Harry Harris , ShortSummary = The humans discover a space pod left behind by the time-traveling visitors from the year 5477. While they investigate the craft, two giant park rangers appear and try to capture them. Steve and Fitzhugh manage to escape in the pod, but the ship is on a preflight course to coordinates unknown. After escaping the giants, Mark tries to decipher the pod's operation manual and help Steve navigate back. Soon, however, the pod is caught in an energy storm that takes Steve and Fitzhugh back to a small

New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the Can ...

town on Earth, but stuck 75 years in the past. ''Note:'' Series regular Heather Young (Betty) does not appear in this episode.
''Guest Stars:'' John Milford (Ranger Wilson),

Mort Mills Mort Mills (born Mortimer Morris Kaplan; January 11, 1919 – June 6, 1993) was an American film and television actor who had roles in over 150 movies and television episodes. He was often the town lawman or the local bad guy in many popular w ...

(Constable), June Dayton (Mrs. Perkins), William Bassett (Ranger Jack), William "Billy" Benedict (Villager Peabody), Robert Adler (Villager Sloacum), Pete Kellett (Guard) , LineColor = C0C0FF {{episode list , Title = Our Man O'Reilly , EpisodeNumber = 41 , EpisodeNumber2 = 15 , ProdCode = 4716 , OriginalAirDate = {{Start date, 1969, 12, 28 , WrittenBy =

Jackson Gillis Jackson Clark Gillis (August 21, 1916 – August 19, 2010) was an American radio and television scriptwriter whose career spanned more than 40 years and encompassed a wide range of genres. Gillis was born in Kalama, Washington to a highway en ...

, DirectedBy = Sobey Martin , ShortSummary = A bumbling giant named O'Reilly stumbles upon the little people, but he thinks they are

leprechaun A leprechaun ( ga, leipreachán/luchorpán) is a diminutive supernatural being in Irish folklore, classed by some as a type of solitary fairy. They are usually depicted as little bearded men, wearing a coat and hat, who partake in mischief. ...

s and offers to serve them. Steve thinks the giant could be dangerous, but Mark believes he could be useful, so has Fitzhugh guide him along to fetch various materials and tools needed to fix the ''Spindrift''. Meanwhile, a shady police detective named Krenko sticks his nose into O'Reilly's business and disrupts the Earthling's repair efforts. Secretly, though, Krenko plots to frame O'Reilly in a jewelry theft.
''Guest Stars:''

Alan Hale Jr. Alan Hale Jr. (born Alan Hale MacKahan; (March 8, 1921 - January 2, 1990) was an American actor and restaurateur. He was the son of actor Alan Hale Sr. His television career spanned four decades, but he was best known for his secondary lead role ...

(O'Reilly), Alan Bergmann (Krenko),

Billy Halop William Halop (February 11, 1920 – November 9, 1976) was an American actor. Early life Halop was born to Benjamin Cohen Halop and Lucille Elizabeth Halop on February 11, 1920. Halop came from a theatrical family; his mother was a dancer, and ...

(Bartender Harry), Eddie Marr (Peddler Brynie), C. Lindsay Workman (Cunningham Jeweler), Michael Quinn (Watchman Jake), Dusty Cadis (Store Guard) , LineColor = C0C0FF {{episode list , Title = Nightmare , EpisodeNumber = 42 , EpisodeNumber2 = 16 , ProdCode = 4714 , OriginalAirDate = {{Start date, 1970, 1, 4 , WrittenBy = William Welch , DirectedBy = Nathan Juran , ShortSummary = A giant engineer named Andre helps the little people develop a new power source – the "Delta Device" – which could power the ''Spindrift'', but during a test, the Earthlings are exposed to a burst of radiation. Afterward, they realize they have become invisible to the giants when Andre's superior, Dr. Berger, comes to the ''Spindrift'' campsite, yet is not able see the humans right under his nose. As the weird effect begins to grow out of control, it creates strange warps in space and time, where the giants become invisible to the humans and Steve becomes trapped in a nightmarish dimension.'' Notes: ''This episode is also called The Delta Effect". Series regular Heather Young (Betty) does not appear in this episode.
''Guest Stars:''

Yale Summers Yale Summers (July 26, 1933 – May 6, 2012) was an American actor and producer, whose credits included the 1960s CBS television series, ''Daktari'', with Marshall Thompson. Summers was heavily involved with the Screen Actors Guild. He was a ...

(Andre),

Torin Thatcher Torin Herbert Erskine Thatcher (15 January 1905 – 4 March 1981) was a British actor who was noted for his flashy portrayals of screen villains. Personal life Thatcher was born in Bombay, British India, to British parents, Torin James Blair T ...

(Dr. Berger),

(Insp. Kobick) , LineColor = C0C0FF {{episode list , Title = Pay the Piper , EpisodeNumber = 43 , EpisodeNumber2 = 17 , ProdCode = 4718 , OriginalAirDate = {{Start date, 1970, 1, 11 , WrittenBy = Richard Shapiro , DirectedBy = Harry Harris , ShortSummary = A mysterious flute player lures Dan, Valerie, Betty, and Fitzhugh into a cage with his mesmerizing music. The man claims to be not only the fabled Pied Piper of Hamelin, but also a being capable of traveling between worlds and changing his size and appearance. The Piper takes the captured humans to a giant senator, but the politician refuses to pay him for the capture. As revenge, the Piper tries to lure the senator's young son away. Mark devises a way to cancel out the Piper's music by recording the music and playing it backwards. The Piper comes up with another scheme, and reduced to the size of the humans, he offers Fitzhugh a ride back to Earth if he disables the tape recorder.
''Guest Stars:''

Jonathan Harris Jonathan Harris (born Jonathan Daniel Charasuchin, November 6, 1914 – November 3, 2002) was an American character actor whose career included more than 500 television and film appearances, as well as voiceovers. Two of his best-known roles w ...

(Mr. Piper), Peter Leeds (Senator), Michael-James Wixted (Timmy) , LineColor = C0C0FF {{episode list , Title = The Secret City of Limbo , EpisodeNumber = 44 , EpisodeNumber2 = 18 , ProdCode = 4719 , OriginalAirDate = {{Start date, 1970, 1, 18 , WrittenBy = Bob and Esther Mitchell , DirectedBy = Sobey Martin , ShortSummary = After Mark and Valerie witness two giant archeologists get attacked by a man with a laser gun, they hide in hole, where they find a teleporter that sends them to an underground city called Limbo, which is populated by giants unknown to those living on the surface. Their leader, Taru, explains that if the archeologists discover Limbo, they will start a war, which the more advanced underground giants will surely win. Taru wishes to avoid war, but his rival, General Aza, is trying to start one and had sent the gunman to kill the scientists. With the others' help, Mark comes up with a plan to contaminate the soil at the dig site with an explosive chemical that would prevent the surface giants from blasting and discovering the hidden city.
''Guest Stars:''

Malachi Throne Malachi Throne (December 1, 1928 – March 13, 2013) was an American actor, noted for his guest-starring roles on ''Star Trek'', '' Star Trek: The Next Generation'', ''Voyage to the Bottom of the Sea'', ''Lost in Space'', ''Batman'', '' Land ...

(Taru),

Whit Bissell Whitner Nutting Bissell (October 25, 1909 – March 5, 1996) was an American character actor. Early life Born in New York City, Bissell was the son of surgeon Dr. J. Dougal Bissell and Helen Nutting Bissell. He was educated at the Allen-S ...

(Dr. Krane),

Joseph Ruskin Joseph Ruskin (born Joseph Richard Schlafman; April 14, 1924 – December 28, 2013) was an American character actor. Also appeared in several underworld character roles on the tv series The Untouchables (1959-1963) Early life Ruskin was born ...

(General Aza),

Peter Jason Peter Edward Ostling (born July 22, 1944), also known as Peter Jason, is an American character actor. He has appeared in over eighty films and a hundred television series. He played Con Stapleton in the series '' Deadwood''. He was a frequent col ...

(Mylo) , LineColor = C0C0FF {{episode list , Title = Panic , EpisodeNumber = 45 , EpisodeNumber2 = 19 , ProdCode = 4717 , OriginalAirDate = {{Start date, 1970, 1, 25 , WrittenBy = Bob and Wanda Duncan , DirectedBy = Sobey Martin , ShortSummary = Betty and Fitzhugh are caught in a paralyzing trap and taken away by a SID officer to an interrogator named Marad. Suddenly, they are teleported away to the home of Professor Kirmus, who has developed a matter transport device capable of sending anything anywhere, including the little people back to Earth. Unfortunately, Kirmus's housekeeper is really a SID operative, and she turns in Kirmus to the authorities, but Marad is really after the secrets of the teleport machine. Meanwhile, Steve and the other Earthlings search for a missing component of the device hidden by Kirmus, who promises them a trip back home. ''Note:'' Series regular Stefan Arngrim does not appear in this episode.
''Guest Stars:''

Jack Albertson Harold Albertson (June 16, 1907 – November 25, 1981), known professionally as Jack Albertson, was an American actor, comedian, dancer and singer who also performed in variety. Albertson was a Tony, Oscar, and Emmy winning actor. For his perfo ...

(Prof. Kirmus),

Peter Mark Richman Peter Mark Richman (born Marvin Jack Richman; April 16, 1927 – January 14, 2021) was an American actor in films and on television, who was for many years credited as Mark Richman. He appeared in about 30 films and 130 television series from th ...

(Dr. Marad),

Diane McBain Diane J. McBain (May 18, 1941 – December 21, 2022) was an American actress who, as a Warner Brothers contract player, reached a brief peak of popularity during the early 1960s. She was best known for playing an adventurous socialite in the 1960 ...

(Mrs. Evers), Edward G. Robinson Jr. (SID Guard Rogers), Patrick Culliton (SID Officer Willis), Steven Marlo (SID Officer Burns) , LineColor = C0C0FF {{episode list , Title = The Deadly Dart , EpisodeNumber = 46 , EpisodeNumber2 = 20 , ProdCode = 4722 , OriginalAirDate = {{Start date, 1970, 2, 1 , WrittenBy = William L. Stuart , DirectedBy = Harry Harris , ShortSummary = Two SID agents turn up dead, killed by poison injected at the ankle. At the crime scene, the police find the footprints of little people and a blowgun with Mark's initials inscribed on it. Back at the ''Spindrift'', the humans learn a giant reporter named Bertha Fry is spreading accusations that the Earthlings are murderers and should be exterminated. Fitzhugh openly accuses Mark of being the killer, and when more evidence mounts against him, Mark mysteriously disappears. When a giant laboratory is blown up and another giant is murdered, Steve races to locate Mark, whom he suspects is really being set up by the reporter who wants her "big story". ''Note: ''This episode is also called "The Retaliator".
''Guest Stars:''

John Dehner John Dehner (DAY-ner) (born John Dehner Forkum, also credited Dehner Forkum; November 23, 1915February 4, 1992) was an American stage, radio, film, and television actor. From the late 1930s to the late 1980s, he amassed a long list of performan ...

(Lt. Grayson),

Madlyn Rhue Madlyn Soloman Rhue (née Madeline Roche, October 3, 1935 – December 16, 2003) was an American film and television actress. Personal life - youth and education Rhue was born in Washington, D.C., graduated from Los Angeles High School, and st ...

(Bertha Fry),

Christopher Dark Christopher Dark (born Alfred Francis DeLeo, April 21, 1920 – October 10, 1971) was an American actor. He graduated from Cornell University and did post graduate work at Columbia University. He served as an army medic in the Philippine ...

(Sgt. Barker),

Don "Red" Barry Donald Barry de Acosta (January 11, 1912 – July 17, 1980), also known as Red Barry and Milton Poimboeuf, was an American film and television actor. He was nicknamed "Red" after appearing as the first Red Ryder in the highly successful 19 ...

(Dr. Zoral),

Kent Taylor Kent Taylor (born Louis William Weiss; May 11, 1907 – April 11, 1987) was an American actor of film and television. Taylor appeared in more than 110 films, the bulk of them B-movies in the 1930s and 1940s, although he also had roles in more pr ...

(Doc Jelko), Willard Sage (Insp. Swan) , LineColor = C0C0FF {{episode list , Title = Doomsday , EpisodeNumber = 47 , EpisodeNumber2 = 21 , ProdCode = 4720 , OriginalAirDate = {{Start date, 1970, 2, 15 , WrittenBy = Daniel B. Ullman , DirectedBy = Harry Harris , ShortSummary = The little people help a giant named Kamber, who has been shot by police, but he refuses medical help and has the humans contact a woman named Dr. North, instead. Once North arrives, Kamber and she are revealed to be part of terrorist plot to blow up half-a-million people. When she learns that the Earthlings have overheard the plan, she tries to kill them, but the humans manage to escape, with Fitzhugh injuring his leg. Betty and Valerie stay with Fitzhugh, while the others try figure out a clue left behind by Kamber that could lead to the location of the bombs. Inspector Kobick captures Betty and Fitzhugh, and does not buy their story of the terror plot, leaving Steve and the others to foil the plan themselves.
''Guest Stars:''

(Insp. Kobick), Francine York (Dr. North),

Tom Drake Tom or TOM may refer to: * Tom (given name), a diminutive of Thomas or Tomás or an independent Aramaic given name (and a list of people with the name) Characters * Tom Anderson, a character in '' Beavis and Butt-Head'' * Tom Beck, a character ...

(SID Sergeant),

Charles Dierkop Charles Richard Dierkop (born September 11, 1936) is an American character actor. He is most recognized for his supporting roles in the films '' Butch Cassidy and the Sundance Kid'' (1969) and ''The Sting'' (1973) and the television series ''Po ...

(Arthur Kamber), Ed Peck (Mike Warkin) , LineColor = C0C0FF {{episode list , Title = A Small War , EpisodeNumber = 48 , EpisodeNumber2 = 22 , ProdCode = 4724 , OriginalAirDate = {{Start date, 1970, 2, 22 , WrittenBy = Shirl Hendryx (t),
Anthony Wilson (s) , DirectedBy = Harry Harris , ShortSummary = The little people encounter a giant boy named Alek, who has come to play war with another unseen opponent named Falco. Armed with several mechanical army men, and a remote-controlled jeep, tank, and airplane, Alek launches an assault upon the little people, whom he thinks are Falco's mechanical toys. Unfortunately for the Earthlings, at their scale, the war toys are just as lethal as the real things and must be stopped. Steve tries to reason with the boy, but is unsuccessful; after Alek "bombs" the ''Spindrift'' camp with stones from the plane, a fed-up Mark attempts to stop the child even if it means having to harm him.
''Guest Stars:'' Charles Drake (Mr. Erdap), Sean Kelly (Alek), Miriam Schiller (Nurse) , LineColor = C0C0FF {{episode list , Title = The Marionettes , EpisodeNumber = 49 , EpisodeNumber2 = 23 , ProdCode = 4725 , OriginalAirDate = {{Start date, 1970, 3, 1 , WrittenBy = William Welch , DirectedBy = Sobey Martin , ShortSummary = After a gorilla escapes from a circus and captures Valerie, the little people help guide a puppeteer named Goalby in finding the beast. Although Valerie is freed from the ape, Betty becomes caught in an animal trap and Goalby helps release her, too. In doing so, he injures his hand and cannot perform. To repay him, Betty and Fitzhugh decide to be Goalby's marionettes until his hand heals. Meanwhile, Dan and Valerie are captured by Brady, the circus master; he quickly realizes Goalby's puppet show is a farce. Instead of firing the puppeteer, Brady schemes to make a fortune off the realistic puppet act and forces Goalby to maintain the illusion. Goalby, instead, tries to help Steve and Mark rescue their friends.
''Guest Stars:''

Frank Ferguson Frank S. Ferguson (December 25, 1906 – September 12, 1978) was an American character actor with hundreds of appearances in both film and television. Background Ferguson was the younger of two children of W. Thomas Ferguson, a native Scottish ...

(Goalby), Victoria Vetri (Lisa), Robert Hogan (Brady), Sandra Giles (Harem Dancer), Martin Liverman (Trainer), Janos Prohaska (Bobo Gorilla), Carl Carisson (Knife Thrower), Al Lampkin (Fire Eater) , LineColor = C0C0FF {{episode list , Title = Wild Journey , EpisodeNumber = 50 , EpisodeNumber2 = 24 , ProdCode = 4721 , OriginalAirDate = {{Start date, 1970, 3, 8 , WrittenBy = William Welch , DirectedBy = Harry Harris , ShortSummary = Steve and Dan encounter two time-travelling people their size, Throg and Berna, who escape an SID agent by using an amazing device called the "Space-Time Manipulator" (STM). Throg demonstrates the abilities of the STM, which can send anyone, to anywhere, to any time. Steve believes he could use the device to return to Earth and change everyone's current predicament by avoiding taking off for the fateful flight of the ''Spindrift''. Steve manages to get a hold of the device, and Dan and he teleport back to Los Angeles spaceport on Earth just before the flight. Throg and Berna soon arrive and angrily explain that it is forbidden to change history, but Steve and Dan do not want to go back to the giant world so easily. Oddly, though the Spindrift left on their trip on June 12, 1983 in the pilot, their departure date here is September 25, 1983. ''Note:'' Series regular Stefan Arngrim (Barry) only appears in this episode via stock footage from the pilot. The storyline for this episode is lifted from the ''

Lost In Space ''Lost in Space'' is an American science fiction television series, created and produced by Irwin Allen, which originally aired between 1965 and 1968 on CBS. The series was inspired by the 1812 novel ''The Swiss Family Robinson.'' The series fo ...

'' episode "The Time Merchant".
''Guest Stars:'' Bruce Dern (Thorg),

Yvonne Craig Yvonne Joyce Craig (May 16, 1937 – August 17, 2015) was an American actress and ballerina, who was renowned for her role as Batgirl in the 1960s television series '' Batman''. Other notable roles in her career include Dorothy Johnson in the 196 ...

(Berna), Sheila Allen (Miss Collier), Erik L. Nelson (SID Man),

Louise Lorimer Louise Lorimer (born Louise Knapp Pinkham, July 14, 1898 – August 12, 1995) was an American actress who played character roles on Broadway, in films, and on television in a career lasting over six decades. Life and career Born Louise Knapp Pi ...

(Miss Smith), Marshall Stewart (Passerby) , LineColor = C0C0FF {{episode list , Title = Graveyard of Fools , EpisodeNumber = 51 , EpisodeNumber2 = 25 , ProdCode = 4723 , OriginalAirDate = {{Start date, 1970, 3, 22 , WrittenBy = Sidney Marshall , DirectedBy = Sobey Martin , ShortSummary = Steve, Dan, Valerie, and Fitzhugh are caught by a mad scientist named Melzac, who puts them in a model plane and flies it to the "Graveyard of Fools" – an uncharted land on the giants' world from where no one has ever returned. During the flight, the plane enters a mysterious vortex and vanishes along with the little ones, who find themselves in a bizarre world under the control of Melzac's twin brother Bryk. Meanwhile, Mark is caught by Melzac, who reveals his brother and his plans to fix an alien device, the "servo actuator", which is causing ripples in space and time and requires the use of the little ones to get inside it and conduct repairs.
''Guest Stars:''

Albert Salmi Albert Salmi (March 11, 1928 – April 22, 1990) was an American actor of stage, film, and television. Best known for his work as a character actor, he appeared in over 150 film and television productions. Early life Salmi was born and raised ...

(Melzac/Bryk), John Crawford (Tagor), Marshall Stewart (Janitor) , LineColor = C0C0FF