Classic British sci-fi adventure starring Jon Pertwee. During a test of a new dematerialisation circuit, the TARDIS transports the Doctor and Jo into the hold of a 1920s cargo ship. (1973)

Classic British sci-fi adventure starring Tom Baker. The Doctor discovers that the Master is plotting to tap into the Time Lords' power source, an act that will destroy Gallifrey.

Classic British sci-fi adventure starring Tom Baker. The TARDIS lands upon a mining ship run by a robot labour force overseen by a small human crew that has just suffered a fatality.

Classic British sci-fi adventure starring Tom Baker. As more of the crew are found strangled, Leela encounters an oddly inquisitive robot and the Doctor formulates a theory.

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.