A new threat is unleashed when the dome is destroyed. Tom Baker, Elisabeth Sladen. Sevrin: Stephen Yardley. Ronson: James Garbutt. Ravon: Guy Siner. Nyder: Peter Miles.

Scientist Lesterson is driven insane when he discovers that the Daleks are reproducing themselves and preparing to seize control of the Earth colony.

Doctor Who and Romana face danger on a planet ruled by a feudal king. Tom Baker, Lalla Ward. Zargo: William Lindsay. Tarak: Thane Bettany. Camilla: Rachel Davies. Habris: Iain Rattray. Adric: Matthew Waterhouse.

Arriving in London at the end of the 19th Century, the Doctor and Leela make friends with a police pathologist, Professor Litefoot, and learn that hairs taken from the clothing of a dead body found floating in the Thames seem to have originated from a very large rat.

The final segment of the Key is traced to the planet Atrios, engaged in a long war with the neighbouring Zeos. The Marshal of Atrios intends a final strike to destroy the Zeons, but the Doctor and Romana discover that Zeos is deserted and the war is being co-ordinated by a computer called Mentalis, built by one of the Doctor's old Time Lord Academy friends, Drax.

The final segment of the Key is traced to the planet Atrios, engaged in a long war with the neighbouring Zeos. The Marshal of Atrios intends a final strike to destroy the Zeons, but the Doctor and Romana discover that Zeos is deserted and the war is being co-ordinated by a computer called Mentalis, built by one of the Doctor's old Time Lord Academy friends, Drax.

Part 1. Earth's greatest heroes assemble to fight the New Dalek Empire, but a fearsome old enemy waits in the shadows.

Part 2. As Davros and the Daleks threaten the entire universe, the Doctor's companions join forces. However, the prophecy declares that one of them will die.

Mars, 2059. Bowie Base one. Last recorded message: don't drink the water. don't even touch it. not one drop... Confused? All will be revealed in The Waters of Mars, starring Lindsay Duncan as the Doctor's cleverest and most strong-minded companion yet.

The newly regenerated Doctor and Amy Pond must save the world in less than 20 minutes from galactic policemen known as the Atraxi.

The Doctor and Amy travel to Britain of the future, where people live in a giant spaceship; Amy comes across the terrifying Smilers.

The Doctor and Amy meet Winston Churchill during a trip back to World War II, where they also encounter the Daleks.

Part 1. The Doctor hunts the last of the Weeping Angels through the Maze of the Dead; the mysterious River Song is back in the Doctor's life, but he doesn't know if he can trust her.

Part 2. The Doctor and his friends are forced to escape through the forest vault after they are surrounded by the Weeping Angels.

The Doctor suspects something isn't quite right with the daughters of the family that protects the streets of Venice.