Doctor Who (1963–1989)
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Robot: Part Two 

The Doctor and Sarah become convinced Think Tank are behind the electronic component thefts but are unable to stop them carrying out another raid.


Christopher Barry


Terrance Dicks




Episode complete credited cast:
Tom Baker ... Doctor Who
Elisabeth Sladen ... Sarah Jane Smith
Ian Marter ... Harry Sullivan
Nicholas Courtney ... Brigadier Lethbridge Stewart
John Levene ... Sergeant Benton
Patricia Maynard Patricia Maynard ... Miss Winters
Michael Kilgarriff ... Robot
Edward Burnham ... Professor Kettlewell
Alec Linstead Alec Linstead ... Jellicoe
Timothy Craven Timothy Craven ... Short


The Doctor and Sarah become convinced Think Tank are behind the electronic component thefts but are unable to stop them carrying out another raid.

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Release Date:

4 January 1975 (UK) See more »

Company Credits

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Technical Specs

Sound Mix:




Aspect Ratio:

1.33 : 1
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Did You Know?


Sgt Benton is promoted to WO1. See more »


The wall visibly moves when The Doctor slams the door after peering outside. See more »

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User Reviews

Tom Baker arrives with a bang!
18 November 2014 | by A_Kind_Of_CineMagicSee all my reviews

Review of all 4 episodes:

In the first episode of this story we see the regeneration from Jon Pertwee's third Doctor into Tom Baker's fourth Doctor which occurred at the end of the final Pertwee episode. Baker arrives in full exuberant form with no effort to allow viewers time to adjust to the huge change in personality for their hero. There is a lot of humour and mad eccentricity on display and Baker is marvellous right from the start. Throughout the story he displays hilarious wit and energy but also a good dose of brilliant intelligence and grit. He is electrifyingly good right from the start.

The story itself is of secondary importance to the introduction of the new Doctor and the re-drawing of his relationships with Sarah Jane and the UNIT team. All the regulars are great as usual: Lis Sladen is a joy as Sarah Jane, just take for example how she reacts to being confronted by the menacing robot when unlike so many companions she does not scream she, as usual, shows some strength. She is independent, takes action and is both brave and clever. Nicholas Courtney is his usual wonderful support as the Brigadier and Jon Levene is endearing as ever as Benton. The new arrival, Harry Sullivan, is very well acted by Ian marter and is a very good addition.

The Doctor and UNIT have to deal with a powerful robot that is being used by scientists to give them the opportunity to gain control of the world's nuclear weapons so they can take control and run the world the way they believe it should be run. There are some strong guest characters, all very well acted and there is plenty of action and fun. The robot itself while not appearing that special to look at, is actually a quite impressive creation for the day as it moves and acts pretty effectively. The robot is also given a lot of character as it struggles with its orders which contradict its prime directive not to harm humans. Only once or twice does this seem a bit imperfectly done, mostly it is done well and is strangely touching.

There is a lot of very good dialogue, both funny when required and serious the rest of the time. There is a nice element of the villains not intending to be evil but being willing to cause mass death in order to achieve a world they think is better.

From the excellent first episode and the really strong second and third episodes, the fourth episode of the story becomes a little less impressive with the slightly silly and pointless idea of the robot increasing to giant size and a few ambitious attempts at effects which do not look all that good. Character actions and events are also a bit less convincingly done in this final part. It is still a fun and exciting episode but not as great as it could have been.

Overall the debut of Tom Baker with such a dazzling performance from him is a shining highlight and with plenty of other good stuff too this adventure is very strong.

My ratings: Episode 1 - 10/10, Episodes 2 & 3 - 9/10, Episode 3 - 7.5/10.

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