Part 2. As poison gas suffocates the Earth's population, the Doctor and UNIT team members work to eliminate the threat.

The Doctor meets the most important woman of his life.

Agatha Christie's 10-day disappearance in 1926 may have been the result of amnesia, a nervous breakdown, or a giant alien wasp.

Part 1. The Doctor and Donna must uncover the truth behind the Nodes and the Data Ghost to uncover the library's secret.

Part 2 . As the shadows rise, the Doctor forges an alliance with the mysterious River Song.

The Doctor is trapped, powerless and terrified, on the planet Midnight, as a knocking on the wall begins.

Donna gets help from a mysterious blond woman.

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

The Doctor is in the house! The RiffTrax house, that is! The stars of Mystery Science Theater 3000®, Mike Nelson, Kevin Murphy and Bill Corbett, are back on the big screen for a legendary riffing of the 1983 Doctor Who film "The Five Doctors." Someone is taking the Doctor's past selves out of time and space, placing them in a vast wilderness - a battle arena with a sinister tower at its center. As the various incarnations of the Doctor join forces, they learn they are in the Death Zone on their home world of Gallifrey, fighting Daleks, Cybermen, Yeti and a devious Time Lord Traitor who is using the Doctor and his companions to discover the ancient secrets of Rassilon, the first and most powerful ruler of Gallifrey.

Join Mike, Kevin and Bill as they join the Five Doctors for one of the most thrilling Doctor Who adventures ever!

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.

Returning to Earth, the Doctor and Sarah (Elisabeth Sladen) are met with hostility and suspicion. Crayford: Milton Johns. Morgan: Peter Welch. Styggron: Martin Friend. Kraal: Stuart Fell.

The Doctor and his companions encounter space lepers headed for a cure on "Terminus." Peter Davison. Kari: Liza Goddard. Olvir: Dominic Guard. Turlough: Mark Strickson. Nyssa: Sarah Sutton.

The Doctor (Tom Baker) is summoned to the Antarctic to examine a vegetable pod discovered in the ice. Elisabeth Sladen. Derek Moberley: Michael McStay. Charles: John Gleeson. Harrison: Tony Beckley. Dunbar: Kenneth Gilbert.

Freddie needs a new coat for a "Doctor Who" fan-club event; Ash asks Freddie and Stuart for advice on winning back his ex-girlfriend; and Ash, Violet and Penelope make a shocking discovery during a shopping excursion.

The TARDIS picks up a distress call and the Doctor and Sarah arrive on the planet Zeta Minor. There they discover that a Morestran geological expedition has fallen prey to an unseen killer and only the leader, Professor Sorenson, remains alive.

Dr. Who and Romana (Lalla Ward) land on Chloris, a planet rich in plant life but poor in metal resources. Adrasta: Myra Frances. Karela: Eileen Way. Huntsman: David Telfer. Voice of K9: David Brierly.

The Doctor learns the Captain's terrible secret. Captain: Bruce Purchase. Mentiad: Bernard Finch. Romana: Mary Tamm. Guard: Adam Kurakin.

The TARDIS picks up a distress call and the Doctor and Sarah arrive on the planet Zeta Minor. There they discover that a Morestran geological expedition has fallen prey to an unseen killer and only the leader, Professor Sorenson, remains alive.

UNIT are sent to investigate the suspicious death of a Welsh miner whose body has developed a strange green glow, and Jo joins a group of anti-pollution protesters. Meanwhile, the Doctor pays a visit to Metebelis Three.

UNIT are sent to investigate the suspicious death of a Welsh miner whose body has developed a strange green glow, and Jo joins a group of anti-pollution protesters. Meanwhile, the Doctor pays a visit to Metebelis Three.

The TARDIS arrives in the marshes of the third moon of the planet Delta Magna. While trying to get an accurate reading on the tracer, the Doctor is shot at by Thawn and Fenner, two men from a nearby methane refinery.

UNIT are sent to investigate the suspicious death of a Welsh miner whose body has developed a strange green glow, and Jo joins a group of anti-pollution protesters. Meanwhile, the Doctor pays a visit to Metebelis Three.

Part 1. Scientists discover something isn't right beneath Earth's crust while drilling.

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.

The Doctor returns to Amy on the night before her first child is born.

Part 2. Scientists discover something isn't right beneath Earth's crust while drilling.

Amy battles an alien in France with Vincent Van Gogh.

The Doctor investigates a mysterious staircase in a building where people can go up, but never down.

Part 1. A message on a cliff; a puzzle box that opens from the inside; the fates draw closer for the TARDIS.

Part 2. The fates draw close around the TARDIS.

Amy and Rory are trapped on a crashing space liner, and the only way The Doctor can rescue them is to save the soul of a lonely old miser. But is Kazran Sardick, the richest man in Sardicktown, beyond redemption? And what is lurking in the fogs?