Doctor Who - Season 12 (1974) (season)
UK,
1975, 25 min
VOD (1)
Plots(1)
When the Doctor restores the power to the Ark, the humans begin to revive. But the station has been invaded by the giant insectoid Wirrn. (Prime Video)
Cast
![Tom Baker](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/157/812/157812422_aa32e6.jpg)
Tom Baker
UK
Best series:
Blackadder (1983) (series)
Doctor Who (2005) (series) - actor, a.f.
Doctor Who (1963) (series)
![Elisabeth Sladen](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/359/359219_b8a69b.jpg)
Elisabeth Sladen
UK
Best series:
Doctor Who (2005) (series)
Doctor Who (1963) (series)
The Sarah Jane Adventures (2007) (series)