The Fourth Doctor Fights For Humanity's Survival!
In 'The Ark In Space' the deadly Wirrn swarm attacks - but the Doctor is ready!
The Ark: This Space station contained the last surviving members of the human race.
1. This story was first shown in January and February 1975.
2. Producer RTD once said that this was his favourite story from the classic series.
3. Only the Doctor and companions Sarah Jane and Harry are seen in the first episode.
4. A scene where Noah begged Vira to kill him as he changed into a Wirrn was too horrible to show.
5. In this story, the Doctor reveals that the 'indomitable' humans are his favourite species.
Also, the sets for this story were reused for the adventure 'Revenge of the Cybermen'.