The newly-regenerated Doctor helps UNIT battle a sentient robot being manipulated by a corrupt scientific organization.
The Doctor
Sarah Jane Smith
Harry Sullivan
Brigadier Lethbridge-Stewart
RSM Benton
Miss Winters
The Robot
Professor Kettlewell
Jellicoe
Short
Phillips
Joseph Chambers
1975
1951
2017
1964
1978
2002
1999
2009
2021
2012
2008
1976