Classic British sci-fi adventure starring Peter Davison. Strange alien canisters appear in London's docklands. Meanwhile, a prison space station holding Davros is attacked.

Classic British sci-fi adventure starring Tom Baker. A fiendish masterplan is set in motion when the President of the Time Lords is assassinated and the Doctor is set to take the blame.

Classic British sci-fi adventure starring Tom Baker. The Doctor is arrested on the charge of murdering the Time Lord President and must strive to prevent his immediate execution.

Classic British sci-fi adventure starring Tom Baker. The Doctor faces the assassin inside the matrix dreamscape while the Master tries to take out the Doctor in the real world.

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.