Welcome To Earth-2
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"Welcome to Earth-2" is the thirteenth episode, and first part of a two-part story arc, of the second season of the American television series '' The Flash'', based on the
DC Comics DC Comics, Inc. (doing business as DC) is an American comic book publisher and the flagship unit of DC Entertainment, a subsidiary of Warner Bros. Discovery. DC Comics is one of the largest and oldest American comic book companies, with thei ...
character
Barry Allen / Flash Barry may refer to: People and fictional characters * Barry (name), including lists of people with the given name, nickname or surname, as well as fictional characters with the given name * Dancing Barry, stage name of Barry Richards (born c. 1950 ...
. It follows a crime scene investigator with super-human speed who fights criminals, including others with superhuman abilities. It is set in the
Arrowverse The Arrowverse is an American superhero media franchise and a shared universe that is centered on various interconnected television series based on DC Comics superhero characters, primarily airing on The CW as well as web series on CW See ...
and is a spin-off of '' Arrow''. The episode was written by Katherine Walczak from a story by
Greg Berlanti Gregory Berlanti (born May 24, 1972) is an American screenwriter, producer and director of film and television. He is known for his work on the television series ''Dawson's Creek'', '' Brothers & Sisters'', '' Everwood'', '' Political Animals'', ...
and
Andrew Kreisberg Andrew Kreisberg (born April 23, 1971) is an American television writer, producer and comic book writer. He is best known as the creator of the television series ''The Flash'', ''Arrow'', '' Supergirl'' and ''Legends of Tomorrow''. Personal life ...
, and directed by
Millicent Shelton Millicent B. Shelton is an American music video, television and film director. Shelton began her career as a wardrobe production assistant on the Spike Lee film '' Do the Right Thing'' (1989). She went on to direct music videos for artists suc ...
.
Grant Gustin Thomas Grant Gustin (born January 14, 1990) is an American actor and singer. He is best known for his roles as Barry Allen / The Flash on The CW series ''The Flash'' as part of the Arrowverse, and as Sebastian Smythe on the Fox series '' Gl ...
stars as
Barry Barry may refer to: People and fictional characters * Barry (name), including lists of people with the given name, nickname or surname, as well as fictional characters with the given name * Dancing Barry, stage name of Barry Richards (born c. 19 ...
, and is joined by principal cast members
Candice Patton Candice Kristina Patton is an American actress. She is best known for her role as Iris West-Allen in the television series ''The Flash'' (2014–2023), which earned her a Saturn Award from four nominations. Early life Patton was raised in Pl ...
,
Danielle Panabaker Danielle Nicole Panabaker (born September 19, 1987) is an American actress. She began acting as a teenager and came to prominence for her roles in the The Walt Disney Company, Disney films ''Stuck in the Suburbs'' (2004), ''Sky High (2005 film), ...
, Carlos Valdes,
Keiynan Lonsdale Keiynan Lonsdale (; born 19 December 1991) is an Australian actor, dancer, and singer-songwriter. He is known for roles such as Oliver Lloyd in the ABC series ''Dance Academy'' (2012–2013), Wally West/ Kid Flash in the CW series ''The Flash' ...
,
Tom Cavanagh Thomas Cavanagh (born October 26, 1963) is a Canadian actor. He is known for a variety of roles on American television, including starring roles in '' Ed'' (2000–2004), ''Love Monkey'' (2006) and '' Trust Me'' (2009), and recurring roles on ...
, and Jesse L. Martin. The episode sees Barry, Cisco Ramon and Harry Wells travel to the parallel universe Earth-2 to rescue Harry's daughter
Jesse Jesse may refer to: People and fictional characters * Jesse (biblical figure), father of David in the Bible. * Jesse (given name), including a list of people and fictional characters * Jesse (surname), a list of people Music * ''Jesse'' ( ...
from
Zoom Zoom may refer to: Technology Computing * Zoom (software), videoconferencing application * Page zooming, the ability to magnify or shrink a portion of a page on a computer display * Zooming user interface, a graphical interface allowing for image ...
, while back on
Earth-1 Earth-One (also Earth-1) is a name given to two fictional universes (The Pre-Crisis and Post-Crisis versions of the same universe) that have appeared in American comic book stories published by DC Comics. The first Earth-One was given its name ...
,
Jay Garrick Jason Peter "Jay" Garrick is a superhero appearing in American comic books published by DC Comics. He is the first superhero known as Flash (DC Comics character), the Flash. The character was created by writer Gardner Fox and artist Harry Lampert. ...
takes over Barry's crime fighting duties when the metahuman
Geomancer Geomancy (Greek: γεωμαντεία, "earth divination") is a method of divination that interprets markings on the ground or the patterns formed by tossed handfuls of soil, rocks, or sand. The most prevalent form of divinatory geomancy inv ...
attacks
Central City In urban planning, a core city, principal city metropolitan core, or central city, is the largest or most important city or cities of a metropolitan area. A core city is surrounded by smaller satellite cities, towns, and suburbs. A central city ...
. The episode sees the majority of main cast members also playing their Earth-2 doppelgängers. "Welcome to Earth-2" originally aired on
The CW ''The'' () is a grammatical Article (grammar), article in English language, English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite ...
on February 9, 2016, and according to
Nielsen Media Research Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen rati ...
, was watched by 3.96 million viewers, the show's largest viewership since February 2015. It was the series' highest rating in the 18–34 demographic since its premiere and highest 18–49 rating since the crossover " Flash vs. Arrow". The episode received a highly positive critical response, and many critics called it the best episode of the series to that point. The arc established in this episode concluded with the following episode, "
Escape from Earth-2 The second season of the American television series '' The Flash'', which is based on the DC Comics character Barry Allen / Flash, sees Barry recognized as a hero in Central City after saving the city, only to face a new threat from a parallel un ...
".


Plot

In
Earth-1 Earth-One (also Earth-1) is a name given to two fictional universes (The Pre-Crisis and Post-Crisis versions of the same universe) that have appeared in American comic book stories published by DC Comics. The first Earth-One was given its name ...
, Barry Allen closes all of the breaches leading to parallel universe Earth-2, except for the one in
S.T.A.R. Labs Scientific and Technological Advanced Research Laboratories (S.T.A.R. Labs) is a fictional scientific research facility and organization appearing in American comic books published by DC Comics. It first appeared in ''Superman'' #246 (December 1 ...
. Using the last breach, he travels to Earth-2 with Cisco Ramon and Harry Wells to rescue Harry's daughter
Jesse Jesse may refer to: People and fictional characters * Jesse (biblical figure), father of David in the Bible. * Jesse (given name), including a list of people and fictional characters * Jesse (surname), a list of people Music * ''Jesse'' ( ...
, who has been kidnapped by speedster
Zoom Zoom may refer to: Technology Computing * Zoom (software), videoconferencing application * Page zooming, the ability to magnify or shrink a portion of a page on a computer display * Zooming user interface, a graphical interface allowing for image ...
. However, an energy surge destabilizes the breach, leaving the trio stuck on Earth-2. After seeing his doppelgänger, a non-metahuman
forensic scientist Forensic science, also known as criminalistics, is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standards of admissible evidence and criminal ...
, on the news, Barry abducts and renders him unconscious to impersonate him and obtain more information on Zoom. He meets this Earth's
Iris West Iris West is a fictional character, a supporting character appearing in American comic books published by DC Comics. She has been the main love interest and later wife of Barry Allen, the alter ego of the Silver Age version of the superhero The ...
, who works as a police detective and is married to his doppelgänger. Earth-2's versions of
Caitlin Snow Killer Frost is a name used by several female supervillains and superheroes appearing in comic books published by DC Comics: Crystal Frost, Louise Lincoln, and Caitlin Snow. Each different individual in the DC Universe assuming the Killer Frost ...
and Ronnie Raymond, known as
Killer Frost Killer Frost is a name used by several female supervillains and superheroes appearing in comic books published by DC Comics: Crystal Frost, Louise Lincoln, and Caitlin Snow. Each different individual in the DC Universe assuming the Killer Frost ...
and
Deathstorm Dan the Dyna-Mite Dan Turpin Damien Darhk The enigmatic Damien Darhk is an elusive and dangerous criminal mastermind and enemy of the Teen Titans. He makes his first appearance in ''Titans'' #1 (March 1999). Claiming to be a major player in t ...
respectively, are working for Zoom and realize that some breachers have entered Earth-2. Barry and Iris meet Joe West's doppelgänger Joseph, a
lounge singer Lounge music is a type of easy listening music popular in the 1950s and 1960s. It may be meant to evoke in the listeners the feeling of being in a place, usually with a tranquil theme, such as a jungle, an island paradise or outer space. The rang ...
. Frost and Deathstorm find and attack Barry at the lounge; Deathstorm fatally wounds Joseph during the attack. Barry fights Frost and Deathstorm outside; the two metahumans escape after Frost is injured. Meanwhile, a metahuman named Adam Fells / Geomancer appears in Earth-1
Central City In urban planning, a core city, principal city metropolitan core, or central city, is the largest or most important city or cities of a metropolitan area. A core city is surrounded by smaller satellite cities, towns, and suburbs. A central city ...
. Joe suggests that
Jay Garrick Jason Peter "Jay" Garrick is a superhero appearing in American comic books published by DC Comics. He is the first superhero known as Flash (DC Comics character), the Flash. The character was created by writer Gardner Fox and artist Harry Lampert. ...
use the serum Velocity-6 to fight Fells. Jay refuses and reveals to Caitlin that he invented Velocity-6 and previously took it to become faster but the side effects caused his loss of speed and are gradually killing him. Caitlin develops Velocity-7, which Jay uses to engage Fells until it wears off. Fells almost kills Jay until Joe shoots at him, and escapes. Back on Earth-2, Iris, her partner Floyd Lawton and Cisco confront Frost and Deathstorm. Cisco, who has made a weapon to combat Frost, attempts to stop the pair, but is confronted by his own doppelgänger, known as
Reverb Reverberation (also known as reverb), in acoustics, is a persistence of sound, after a sound is produced. Reverberation is created when a sound or signal is reflected causing numerous reflections to build up and then decay as the sound is abs ...
, who is also working for Zoom and can manipulate sonic vibrations to create powerful
shock wave In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a me ...
s. Cisco calls for Barry, who arrives and uses Cisco's weapon to wound Frost, but is stopped by Reverb and Deathstorm. They use their powers repeatedly on him, despite Frost's objections and Zoom wanting Barry unharmed. Zoom arrives, kills Reverb and Deathstorm for harming Barry, captures him and speeds away. Barry later awakens in a glass cell at Zoom's lair, where there are two other prisoners; Jesse and a man trapped in an iron mask.


Production


Development and writing

The second season of '' The Flash'' began to explore the concept of the multiverse, by introducing Earth-2, which features doppelgängers of the inhabitants in Earth-1. In January 2016, it was announced that an upcoming episode in the season would be titled "Welcome to Earth-2", and would focus on Barry Allen travelling to that Earth. The episode, which was the season's thirteenth, was directed by
Millicent Shelton Millicent B. Shelton is an American music video, television and film director. Shelton began her career as a wardrobe production assistant on the Spike Lee film '' Do the Right Thing'' (1989). She went on to direct music videos for artists suc ...
and written by Katherine Walczak,
Greg Berlanti Gregory Berlanti (born May 24, 1972) is an American screenwriter, producer and director of film and television. He is known for his work on the television series ''Dawson's Creek'', '' Brothers & Sisters'', '' Everwood'', '' Political Animals'', ...
and
Andrew Kreisberg Andrew Kreisberg (born April 23, 1971) is an American television writer, producer and comic book writer. He is best known as the creator of the television series ''The Flash'', ''Arrow'', '' Supergirl'' and ''Legends of Tomorrow''. Personal life ...
. Kreisberg described "Welcome to Earth-2" as the first part of a two-part story arc that continues with "
Escape from Earth-2 The second season of the American television series '' The Flash'', which is based on the DC Comics character Barry Allen / Flash, sees Barry recognized as a hero in Central City after saving the city, only to face a new threat from a parallel un ...
". The episode also introduces the Earth-2 doppelgängers of various Earth-1 characters. Kreisberg said some of them "are beyond different. What's so interesting is that you've got arryWells, who is probably the most similar to himself – the one that we saw last year and this one. They seem different until you start seeing the crazy differences between all of our other cast members. Then he's the one who doesn't seem quite so different and crazy anymore." Examples include the fact that Barry Allen is not a metahuman; Iris West is a police detective married to him; Caitlin Snow, Ronnie Raymond and Cisco Ramon are the metahuman criminals Killer Frost, Deathstorm and Reverb respectively; Joe West is a lounge singer who goes by Joseph and dislikes his son-in-law;
Nora Allen Abel Abin Sur Abra Kadabra (character) Abby Holland Ace the Bat-Hound Acrata Acrata (Andrea Rojas) is a superheroine appearing in American comic books published by DC Comics who was created as part of the ''Planet DC'' annuals event. Sh ...
is alive; David Singh is a criminal; Henry Hewitt is not a metahuman; and Floyd Lawton is a police officer with poor marksmanship skills.
Candice Patton Candice Kristina Patton is an American actress. She is best known for her role as Iris West-Allen in the television series ''The Flash'' (2014–2023), which earned her a Saturn Award from four nominations. Early life Patton was raised in Pl ...
, who plays Iris, called the Earth-2 version hard, tough, and "less emotionally penetrable" than the Earth-1 version. Season two co-showrunner
Todd Helbing Aaron Helbing and Todd Helbing are American sibling screenwriters who had formerly worked as a team. They are known for their work on the Starz series ''Spartacus'' and '' Black Sails'', and for The CW superhero drama '' The Flash''. They stop ...
called the Earth-2 version of Barry "quite a bit different" from the Earth-1 version, describing him as "very entertaining" and "hilarious", as well as "pretty selfish" from Joseph's perspective. The Earth-2 Barry's speed dial features many contacts whose names are references to the civilian names of
DC Comics DC Comics, Inc. (doing business as DC) is an American comic book publisher and the flagship unit of DC Entertainment, a subsidiary of Warner Bros. Discovery. DC Comics is one of the largest and oldest American comic book companies, with thei ...
characters such as "Bruce" ( Batman), "Diana" (
Wonder Woman Wonder Woman is a superhero created by the American psychologist and writer William Moulton Marston (pen name: Charles Moulton), and artist Harry G. Peter. Marston's wife, Elizabeth Holloway Marston, Elizabeth, and their life partner, Olive Byr ...
) and "Hal" (
Green Lantern Green Lantern is the name of several superheroes appearing in American comic books published by DC Comics. They fight evil with the aid of rings that grant them a variety of extraordinary powers, all of which come from imagination, fearlessness, ...
), in addition to "Eddie" (a reference to
Eddie Thawne ''The Flash'' is an American television series developed by Greg Berlanti, Andrew Kreisberg, and Geoff Johns, based on the DC Comics character the Flash. The series premiered on The CW television network in the United States on October 7, 2014, ...
). Season two co-showrunner Aaron Helbing said these were purely "just
Easter eggs Easter eggs, also called Paschal eggs, are eggs that are decorated for the Christian feast of Easter, which celebrates the resurrection of Jesus. As such, Easter eggs are common during the season of Eastertide (Easter season). The oldest tra ...
for fun", with Todd saying those names were chosen from a "giant board of probably 50 ideas".


Casting

Main cast members
Grant Gustin Thomas Grant Gustin (born January 14, 1990) is an American actor and singer. He is best known for his roles as Barry Allen / The Flash on The CW series ''The Flash'' as part of the Arrowverse, and as Sebastian Smythe on the Fox series '' Gl ...
, Candice Patton,
Danielle Panabaker Danielle Nicole Panabaker (born September 19, 1987) is an American actress. She began acting as a teenager and came to prominence for her roles in the The Walt Disney Company, Disney films ''Stuck in the Suburbs'' (2004), ''Sky High (2005 film), ...
, Carlos Valdes,
Keiynan Lonsdale Keiynan Lonsdale (; born 19 December 1991) is an Australian actor, dancer, and singer-songwriter. He is known for roles such as Oliver Lloyd in the ABC series ''Dance Academy'' (2012–2013), Wally West/ Kid Flash in the CW series ''The Flash' ...
,
Tom Cavanagh Thomas Cavanagh (born October 26, 1963) is a Canadian actor. He is known for a variety of roles on American television, including starring roles in '' Ed'' (2000–2004), ''Love Monkey'' (2006) and '' Trust Me'' (2009), and recurring roles on ...
, and Jesse L. Martin appear in the episode as Barry Allen / Flash, Iris West, Caitlin Snow, Cisco Ramon / Vibe,
Wally West Wallace Rudolph "Wally" West is a superhero appearing in American comic books published by DC Comics as the original Kid Flash and the third Flash (DC Comics character), Flash. His power consists mainly of speedster (fiction), superhuman speed. ...
, Harry Wells and Joe West, respectively. Gustin, Patton, Panabaker, Valdes and Martin also portray the Earth-2 versions of their characters. The additional guest cast includes
Teddy Sears Edward M. Sears (born April 6, 1977) is an American actor, known for his roles as Richard Patrick Woolsley on the TNT legal drama series ''Raising the Bar'', Patrick on the first season of FX anthology horror drama ''American Horror Story'' ( ...
as Jay Garrick / Flash,
Violett Beane Violett Beane (born May 18, 1996) is an American actress. She played Jesse Wells/Jesse Quick in The CW's ''The Flash'', as well as Markie Cameron in the 2018 horror film ''Truth or Dare''. From 2018 to 2020, she starred as Cara Bloom in the CB ...
as Jesse Wells, and Adam Stafford as Adam Fells / Geomancer. Additionally,
Robbie Amell Robert Patrick Amell IV (born April 21, 1988) is a Canadian-American actor and producer. He is best-known for his roles as Stephen Jameson on The CW series ''The Tomorrow People'', Ronnie Raymond/Firestorm on The CW series ''The Flash'', Natha ...
, Demore Barnes, Michelle Harrison,
Michael Rowe Michael Rowe (born 1960) is an American television writer, producer and comedian. He has written for ''Becker'', ''The Nanny'', '' Futurama'', '' Paranormal Action Squad'' and '' Family Guy'', as well as writing the episode of ''The PJs ''Th ...
, and
Patrick Sabongui Patrick Sabongui (born January 9, 1975) is a Canadian actor, stunt performer, theatre actor, and drama teacher. He is also known for his role as David Singh in the CW series ''The Flash''. Personal life Born to an Egyptian family, Sabongui obt ...
reprise their roles as Earth-2 versions of Deathstorm, Henry Hewitt, Nora Allen, Floyd Lawton, and David Singh, respectively.
Tony Todd Tony Todd (born December 4, 1954) is an American actor who made his debut as Sgt. Warren in the film ''Platoon'' (1986), and portrayed Kurn in the television series '' Star Trek: The Next Generation'' (1990–1991) and '' Star Trek: Deep Space N ...
provides the uncredited voice of Zoom.


Arrowverse tie-ins

In the episode, as Barry, Cisco and Harry travel to Earth-2, glimpses of the multiverse are seen, including an image of ''
Supergirl Supergirl is the name of several fictional superheroines appearing in American comic books published by DC Comics. The original, current, and most well known Supergirl is Kara Zor-El, the cousin of superhero Superman. The character made her fir ...
'' star
Melissa Benoist Melissa Marie Benoist ( ; born October 4, 1988) is an American actress, singer and producer. Her first major role was Marley Rose on the Fox musical comedy drama '' Glee'' (2012–2014), where she was a series regular during the fifth season. ...
as
Supergirl Supergirl is the name of several fictional superheroines appearing in American comic books published by DC Comics. The original, current, and most well known Supergirl is Kara Zor-El, the cousin of superhero Superman. The character made her fir ...
and an image of
John Wesley Shipp John Wesley Shipp (born January 22, 1955) is an American actor known for his various television roles. He played the lead Barry Allen on CBS's superhero series '' The Flash'' from 1990 to 1991, and Mitch Leery, the title character's father, on ...
as the Flash from the 1990 television series. Thus, it implied that the two characters and their respective television series exist on alternate Earths to Earth-1.


Release

"Welcome to Earth-2" was first aired in the United States on
The CW ''The'' () is a grammatical Article (grammar), article in English language, English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite ...
on February 9, 2016. It was aired alongside the U.S. broadcast in Canada on CTV, while it was first aired in the United Kingdom on
Sky 1 Sky One was a British pay television channel operated and owned by Sky Group (a division of Comcast). Originally launched on 26 April 1982 as Satellite Television, it was Europe's first satellite and non- terrestrial channel. From 31 July 1989, ...
on March 29, 2016. It premiered on Fox8 in Australia on February 10, 2016. The episode, along with the rest of ''The Flash''s second season, was released on
Blu-ray The Blu-ray Disc (BD), often known simply as Blu-ray, is a digital optical disc data storage format. It was invented and developed in 2005 and released on June 20, 2006 worldwide. It is designed to supersede the DVD format, and capable of st ...
and
DVD The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind ...
on September 6, 2016. Bonus features include behind-the-scenes featurettes, audio commentary, deleted scenes, and a blooper reel. On October 4, 2016, the episode became available for streaming on
Netflix Netflix, Inc. is an American subscription video on-demand over-the-top streaming service and production company based in Los Gatos, California. Founded in 1997 by Reed Hastings and Marc Randolph in Scotts Valley, California, it offers a fi ...
in the United States, along with the rest of the second season.


Reception


Ratings

In the United States, the episode received a 1.6/5 percent share among adults between the ages of 18 and 49, meaning that it was seen by 1.6 percent of all households, and 5 percent of all of those watching television at the time of the broadcast. It was watched by 3.96 million viewers. The episode was the most viewed and highest rated of season two. It had the show's largest audience since February 2015, highest 18–49 rating since the crossover " Flash vs. Arrow" in December 2014, and highest rating in the 18–34 demographic (1.5/6) since its
series premiere A series premiere is the first aired installment of an episodic entertainment series, most often a television series. In the United States, many series premieres are aired in the fall time or, for mid-season replacements, either in the spring or ...
in October 2014. Within a week of its release the episode was watched by 5.98 million U.S. viewers with a 2.5 rating in the 18–49 demo. The Canadian broadcast gained 1.78 million viewers, the third highest for that night and the ninth highest for the week. The United Kingdom premiere had 1.13 million viewers, and in Australia, the premiere had 147,000 viewers, including 67,000 timeshifted viewers.


Critical response

The review aggregator website
Rotten Tomatoes Rotten Tomatoes is an American review-aggregation website for film and television. The company was launched in August 1998 by three undergraduate students at the University of California, Berkeley: Senh Duong, Patrick Y. Lee, and Stephen Wang ...
reported a 93% approval rating for the episode, based on 14 reviews, with an average rating of 9.21/10. The website's critical consensus read at the time, "Invigorated by a jolt of out-of-this-world fun, 'Welcome to Earth-2' successfully ups the pace and action, while providing plenty of delightful Easter egg moments throughout." Many critics called "Welcome to Earth-2" the best episode in the series to that point. Jesse Schedeen of
IGN ''IGN'' (formerly ''Imagine Games Network'') is an American video game and entertainment media website operated by IGN Entertainment Inc., a subsidiary of Ziff Davis, Inc. The company's headquarters is located in San Francisco's SoMa distri ...
rated it 9.7 out of 10, praising the concept of Earth-2, Barry's dramatic moments, the depiction of Deathstorm, Killer Frost and Reverb, but criticized the need to kill off Reverb so soon. He concluded, "''The Flash'' delivered one of its best episodes yet as Barry and friends took a hilarious but emotional trip to Earth-2." Angelica Jade Bastién of ''
Vulture A vulture is a bird of prey that scavenges on carrion. There are 23 extant species of vulture (including Condors). Old World vultures include 16 living species native to Europe, Africa, and Asia; New World vultures are restricted to North and ...
'' praised the direction, action sequences, and the cast's performances, particularly of Gustin and Patton. She called it "undoubtedly the best episode of the season, and just may be the best episode of ''The Flash'' yet." ''
Collider A collider is a type of particle accelerator which brings two opposing particle beams together such that the particles collide. Colliders may either be ring accelerators or linear accelerators. Colliders are used as a research tool in particl ...
''s Dave Trumbore rated the episode four stars out of five, saying, "This was an absolutely insane episode of ''The Flash'', and that's saying something since this show is normally fast-paced and full of Easter eggs even on a relatively slow week." ''
Entertainment Weekly ''Entertainment Weekly'' (sometimes abbreviated as ''EW'') is an American digital-only entertainment magazine based in New York City, published by Dotdash Meredith, that covers film, television, music, Broadway theatre, books, and popular cu ...
''s Jonathon Dornbush praised the scene where Barry talks to his Earth-2 doppelgänger's mother over phone, saying Gustin "has proved mightily adept at tackling Barry's grief, hope, and the many other emotions swirling around in regard to his mother and her death." Scott Von Doviak of ''
The A.V. Club ''The A.V. Club'' is an American online newspaper and entertainment website featuring reviews, interviews, and other articles that examine films, music, television, books, games, and other elements of pop-culture media. ''The A.V. Club'' was cre ...
'' said, the episode "jump-starts both the oomstoryline and the season as a whole" and concluded, "this is just about as good as ''The Flash'' gets." Ed Gross of ''
Empire An empire is a "political unit" made up of several territories and peoples, "usually created by conquest, and divided between a dominant center and subordinate peripheries". The center of the empire (sometimes referred to as the metropole) ex ...
'' rated the episode four stars out of five, saying, "''The Flash'' may hit an occasional speed bump (sorry) along the way, but it pretty consistently delivers the goods. Welcome To Earth-2 is a perfect example." Charlie Hall of ''
Polygon In geometry, a polygon () is a plane figure that is described by a finite number of straight line segments connected to form a closed ''polygonal chain'' (or ''polygonal circuit''). The bounded plane region, the bounding circuit, or the two to ...
'' gave the episode a mixed review and despite complimenting the premise, said, "it eventually devolved into the same storyline we keep seeing over and over again. It's another instance of Allen's impulsiveness getting the better of him."


References


External links

* {{The Flash (2014 TV series) 2016 American television episodes The Flash (2014 TV series) episodes Television episodes about parallel universes Television episodes written by Greg Berlanti Television episodes written by Andrew Kreisberg