The War Machines.
The Tardis arrives in London in the swinging 60s and the Doctor and his companion Dodo are joined by the far more interesting Polly and Ben, who are all caught up in super computers WOTAN bid to take over the world with mind control and its robots called War machines( which look like the Daleks poor/ backwards relations ). Great 60s vibe and eerie feel as the war machines patrol around London. Also watch out for the scene in the night club of the Doctor being compared to Jimmy Savile
about to watch the first episode of power of the Daleks