Classic British sci-fi adventure starring Tom Baker. The Doctor tries to track down a man who has threatened to start a robot revolution in the past and may be hidden among the crew.

Classic British sci-fi adventure starring Tom Baker. When the robot revolution is revealed and the surviving humans are given an ultimatum, the Doctor strives to thwart the machines.

Classic British sci-fi adventure starring Tom Baker. In Victorian London, the Doctor and Leela find a stage hypnotist at the centre of a number of disturbing occurrences.

Classic British sci-fi adventure starring Tom Baker. Chang, Mr. Sin and Weng-Chiang search for the time cabinet, while the Doctor and Jago look for Chiang's lair.

Classic British sci-fi adventure starring Tom Baker. Leela finds herself in peril when she follows Mr. Sin and Chang to their lair beneath the Palace Theatre.

Classic British sci-fi adventure starring Tom Baker. Having escaped from the giant rat, the Doctor and Leela disguise themselves and attend Chang's show at the theatre.

Classic British sci-fi adventure starring Tom Baker. After Weng-Chiang steals the time cabinet from Litefoot's house, the Doctor and Leela race to stop him from using it.

Classic British sci-fi adventure starring Tom Baker. Weng-Chiang's true face is revealed as the Doctor, Leela, Jago and Litefoot face their final battle against his cohorts.

Classic British sci-fi adventure starring Tom Baker. The Doctor and Leela investigate when a comet strikes the sea, an eerie fog rolls in and a lighthouse keeper dies mysteriously.

Classic British sci-fi adventure starring Tom Baker. With power to the lighthouse oddly unreliable a ship crashes into the rocks and the Doctor fears for what is to come next.