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Production No. 51 • BBC Broadcast Date: 03 Jan 70
Doctor: Jon Pertwee • No. of Eps: 4 • Total No. of Eps: 257
Companions: Liz Shaw, UNIT
Villains: Nestene, Autons
Producer: Derrick Sherwin
Director: Derek Martinus
Writer: Robert Holmes
Designer: Paul Allen
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Production No. 52 • BBC Broadcast Date: 31 Jan 70
Doctor: Jon Pertwee • No. of Eps: 7 • Total No. of Eps: 264
Companions: Liz Shaw, UNIT
Villains: Silurians
Producer: Barry Letts
Director: Timothy Combe
Writer: Malcolm Hulke
Designer: Barry Newbery
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Production No. 53 • BBC Broadcast Date: 21 Mar 70
Doctor: Jon Pertwee • No. of Eps: 7 • Total No. of Eps: 271
Companions: Liz Shaw, UNIT
Villains: Carrington
Producer: Barry Letts
Director: Michael Ferguson
Writer: David Whitaker
Designer: David Myerscough-Jones
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Production No. 54 • BBC Broadcast Date: 09 May 70
Doctor: Jon Pertwee • No. of Eps: 7 • Total No. of Eps: 278
Companions: Liz Shaw, UNIT
Villains: Stahlman, Primords
Producer: Barry Letts
Director: Douglas Camfield, Barry Letts
Writer: Don Houghton
Designer: Jeremy Davies
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