The Ark in Space
| 076 – The Ark in Space | |||||
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| Doctor Who serial | |||||
Noah is steadily being transformed into a Wirrn
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| Cast | |||||
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Others
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| Production | |||||
| Directed by | Rodney Bennett | ||||
| Written by |
Robert Holmes John Lucarotti (uncredited) |
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| Script editor | Robert Holmes | ||||
| Produced by | Philip Hinchcliffe | ||||
| Executive producer(s) | None | ||||
| Incidental music composer | Dudley Simpson | ||||
| Production code | 4C | ||||
| Series | Season 12 | ||||
| Length | 4 episodes, 25 minutes each | ||||
| Originally broadcast | 25 January – 15 February 1975 | ||||
| Chronology | |||||
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| Author | Ian Marter |
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| Cover artist | Chris Achilleos |
| Series |
Doctor Who book: Target novelisations |
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Release number
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4 |
| Publisher | Target Books |
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Publication date
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10 May 1977 |
| ISBN | |
The Ark in Space is the second serial of the 12th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 25 January to 15 February 1975.
The TARDIS materialises on an aged space station. Sarah is overcome by lack of oxygen. While Harry and the Doctor explore, Sarah is transported away and placed into cryonic suspension by the station computer. Harry and the Doctor explore and realise the station is a kind of ark. Discovering Sarah, Harry searches for a resuscitation unit but discovers a mummified alien insect instead.
A woman (Vira) revives from suspended animation. Vira revives both Sarah and the Ark's leader, Lazar, nicknamed "Noah". The Doctor tells Vira that the Ark's (Space Station Nerva) inhabitants have overslept by several millennia, thanks to the insect visitor that sabotaged the control systems. Noah and the visitors clash, and Noah accuses them of murdering a missing crewmate.
Noah investigates the power room and is infected by an alien creature. The Doctor realises the alien insect laid eggs inside the missing crewman, who became an alien now inhabiting the Ark. Noah kills a crewmate, but recovers enough to order Vira to revive the remaining crew and evacuate, but the Doctor realises the alien pupae will mature too quickly for this. He proposes that they destroy the Wirrn while they are in their dormant, pupal stage.
Dissection of the Wirrn corpse reveals the Wirrn are vulnerable to electricity. As he tries to reactivate the station power, the fully transformed Noah attacks him. Noah reveals that the Wirrn were driven from their home by human settlers and now intend to absorb all human knowledge.
The Doctor plans to electrify the cryogenic chamber to prevent the Wirrn from attacking more of the human crew. Because the Wirrn have disabled the station's power supply, the crew decide to use the generators on board a transport ship docked at the space station. Sarah volunteers to crawl through a narrow conduit carrying the power cable from the ship, and the Doctor succeeds in electrifying the cryogenic chamber. Set back, Noah, as the Swarm Leader, offers the others safe passage from the Ark if they leave the sleeping crew for the Wirrn, but the crew decline.
Noah leads the entire swarm in an assault on the transport ship. Vira and the rest of the crew escape the transport ship after setting the autopilot. The transport blasts off carrying the entire swarm away from the station. The Doctor wonders whether this was Noah's plan all along, to save the Ark, and that there was some spark of humanity left in him. Noah sabotages the transport's engines and transmits one final good-bye to Vira before the transport explodes with the entire Wirrn swarm on board.
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