Arc of Infinity

''Arc of Infinity'' is the first serial of the 20th season of the British science fiction television series ''Doctor Who'', which was first broadcast in four twice-weekly parts on BBC1 from 3 to 12 January 1983.

The serial is set in Amsterdam and on the planet Gallifrey. In the serial, the Time Lord traitor Hedin ( Michael Gough) seeks to bring the founder of the Time Lords Omega ( Ian Collier) out of the universe of antimatter by making him bond with the body of the Fifth Doctor (Peter Davison) in the universe of matter.

Plot

On Gallifrey, the Fifth Doctor's home planet, a Time Lord traitor steals the bio-data code of another Time Lord and provides it to the Renegade, a creature composed of antimatter. The High Council of the Time Lords issue a Warrant of Termination on the Doctor to ensure the Renegade can no longer bond with him. The Doctor is taken for execution, despite Nyssa's attempts to save him, and placed in a dispersal chamber.

Unbeknownst to the High Council, The Doctor's mind has been taken into the Matrix, the repository of all Time Lord knowledge, while his body is hidden. The Renegade, who demands an opportunity to return to the Universe it once inhabited, contacts him. The truth of the aborted execution is discovered by the Castellan, who tells Nyssa, Damon, and the High Council that the Doctor is alive.

In Amsterdam, the Doctor's former companion Tegan is looking for her cousin Colin Frazer. She is greeted by his friend Robin Stuart, who explains that Colin disappeared while they were crashing in the crypt of the Frankendael mansion. The Renegade, which has established its base at the Frankendael, finds them and uses Tegan as bait to force the Doctor to obey him. The Doctor is returned to normal space on Gallifrey where he makes for the High Council Chamber.

Time Lord Councillor Hedin is revealed as the traitor who transmitted the bio-data. Hedin is in awe of his master Omega, first of the Time Lords and pioneer of time travel. Hedin wishes to release Omega from his exile in a universe of antimatter, not realising the great Time Lord has been driven insane by his years of solitary confinement. The Castellan kills Councillor Hedin, but this does not prevent Omega using the Arc of Infinity to seize total control of the Matrix and come to Earth. When he peels his decayed mask away, he reveals the features of the Doctor, whom he now perfectly resembles.

Omega leaves for Amsterdam with the Doctor and Nyssa in pursuit. Within a short time, the Doctor's prediction of an unstable transfer begins to come true: Omega's flesh decays and it is clear his new body is not permanent. When the Doctor and Nyssa catch up with him, it is a painful task for the Doctor to use the Ergon's antimatter converter on Omega, expelling him back to his own universe of antimatter. The Time Lord High Council on Gallifrey detects the end of the threat. Once Tegan has checked on her cousin's progress in hospital, she decides to rejoin the TARDIS crew.

Production

The working titles for this story were ''The Time of Neman'' and ''The Time of Omega''. For Parts One and Two, the character of Omega was credited as "The Renegade" on the end credits. Colin Baker stated on ''Doctor Who: The Colin Baker Years'' video that John Nathan-Turner believed his performance was a little arch, and therefore gave him the nickname of Archie.

Substantial portions of the story were filmed on location in Amsterdam. This was only the second time the show had filmed outside of Britain. John Nathan-Turner hoped to repeat the success of the first story filmed overseas, ''City of Death'' (1979). Amsterdam was chosen both because the BBC had recently developed contacts there and because it was cheap to arrange travel and hotel accommodations. Story writer Johnny Byrne had some trouble at first because the producers wanted a plot that made the Amsterdam setting a key factor in the course of events, rather than him just happening to be there.

Part One was broadcast on a Monday in contrast to the rest of this season's episodes, which were all transmitted on consecutive Tuesday and Wednesday evenings.

Cast notes

The story features a guest appearance by Michael Gough (who had previously played the Celestial Toymaker in the story of the same name). Leonard Sachs previously played Admiral Gaspard de Coligny in '' The Massacre of St Bartholomew's Eve'' (1966). Ian Collier previously played Stuart Hyde in ''The Time Monster'' (1972).

Colin Baker (who would later portray the Sixth Doctor) appeared in the serial as Commander Maxil. It was his performance in this role (which, according to Baker, producer John Nathan-Turner repeatedly told him to "tone down") that first brought him to the attention of the production office. Shortly after the production, the Assistant Floor Manager on the serial, Lynn Richards, invited Colin Baker to her wedding reception. Amongst the other guests were Ron Jones, Peter Davison, Sarah Sutton, Eric Saward, John Nathan-Turner and Gary Downie. Baker has said in a number of interviews that his entertaining form at the party directly led to his being cast as the Sixth Doctor the following year. Baker reprised the role of Maxil as an uncredited cameo in the 2006 Big Finish Productions audio play ''Gallifrey: Appropriation''.

Elspet Gray, who played Thalia, later played Hera in the audio play ''Immortal Beloved''. Her character's name is shared with the Greek Muse of comedy. At the Fifth Element convention in London in February 2010, Alastair Cumming (who played Colin Frazer) explained that he is not related to Fiona Cumming (director of the Fifth Doctor serials '' Castrovalva'' (1982), '' Snakedance'', '' Enlightenment'' (both 1983) and '' Planet of Fire'' (1984)), despite frequent reports that she was his mother.

According to the extensive production documentation released from the archive as part of the ''Season 20 - The Collection Box Set'' in September 2023, Colin Baker was originally considered for the part of the Castellan, alongside Bernard Hepton, Derek Godfrey, Patrick Stewart, Francis Matthews, Morris Perry, Keith Michell, Terrence Hardiman, Anton Rodgers, Peter Vaughan, Edward Woodward, Charles Kay, Sean Arnold and Peter Gilmore.

Actors considered for the role of Lord President Borusa were Peter Cushing who had played 'Doctor Who' in two 1960's movies featuring The Daleks; Michael Lees, Robin Bailey, Geoffrey Bayldon, Andrew Cruickshank, John Horsley, Bernard Archard, Richard Vernon, Terence Alexander and David Langton.

Alan MacNaughtan, William Fox, Donald Bisset, Glyn Owen, Richard Leech, William Lucas, Jonathan Newth, Jeffery Dench, Maurice Denham and Conrad Phillips were all considered for the role of Hedin.

Jonathan Newth was also suggested for the part of Omega, along with Malcolm Stoddard and Stephen Riddle. Honor Blackman, Jennie Linden and Lynda Bellingham were all shortlisted for the part of Thalia, with Pierce Brosnan and Tim Woodward being shortlisted for Maxil. The documentation does list whether or not some of the actors were available for the recording dates, but does not reveal if any offers were made or how final decisions on casting were reached.

Leela, the fourth Doctor's previous companion who remained on Gallifrey at the conclusion of her final televised story, is mentioned in the script, but the production documentation makes no reference to her character ever being scheduled to appear in the story.

Commercial releases

In print

A novelisation of this serial, written by Terrance Dicks, was published by Target Books in July 1983.

Home media

''Arc of Infinity'' was released on VHS in March 1994. A double-pack DVD featuring both '' Time-Flight'' and ''Arc of Infinity'' was released on 6 August 2007. This serial was also released as part of the Doctor Who DVD Files in Issue 108 on 20 February 2013. In September 2023, the story was released again in an upgraded format for Blu-ray, being included with the other stories from Season 20 in the ''Doctor Who - The Collection Box Set''.Doctor Who – The Collection Season 20 Blu-Ray. Release date: 18 September 2023. BBC Video. ASIN: B0CBN3G7JS

References

External links

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Target novelisation

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On Target — ''Arc of Infinity''

{{Fifth Doctor stories, selected=Television

Fifth Doctor serials
Doctor Who serials novelised by Terrance Dicks
1983 British television episodes
Fiction set in 1983
Television episodes set in Amsterdam
Television episodes set in the 1980s