Cast
The newly-regenerated Doctor helps UNIT battle a sentient robot being manipulated by a corrupt scientific organization.
Tom Baker (Acting)
Elisabeth Sladen (Acting)
Ian Marter (Acting)
Nicholas Courtney (Acting)
John Levene (Acting)
Patricia Maynard (Acting)
Edward Burnham (Acting)
Jon Pertwee (Acting)
24 January 1970
12 January 1982
15 February 1975
18 October 1989
5 August 2016
6 March 2012
30 August 2011
7 April 2009
21 October 1988
24 September 2013
16 October 2012
14 August 2014
27 September 1993
6 May 2013
12 October 1994
20 February 2008
28 October 2017
19 October 1999
19 March 2023
18 January 1975