Plot: All the stories in this season were interconnected, several forming a loose story arc relating to Space Station Nerva. The Cybermen returned to the series for the first time since The Invasion
Doctor Who - Season 12
First Episode Aired On:
Saturday, December 28 1974
49 years ago
Saturday, December 28 1974
49 years ago
Last Episode Aired On:
Saturday, May 10 1975
49 years ago
Saturday, May 10 1975
49 years ago
Number of Episodes: 20