A race of mutants, doomed to endless degeneration, forces the Doctor to help them. Peter Davison. Black Guardian: Valentine Dyall. Mawdryn: David Collings. Nyssa: Sarah Sutton.

The Doctor (Tom Baker) returns to Gallifrey to become President. Louise Jameson. Vardan Leader: Stan McGowan. Andred: Chris Tranchell.

The Doctor expels Leela to the wasteland. Borusa: John Arnatt. Andred: Chris Tranchell. Lord Gomer: Dennis Edward. Kelner: Milton Johns. Vardan: Tom Kelly.

The language of the future is emoji! The Doctor takes Bill to a spectacular city on a distant planet, but where are the colonists?  A band of "cute" droids hold the deadly answer.

The Doctor sides with the Vardans when they invade Gallifrey. Louise Jameson. Borusa: John Arnatt. Vardan Leader: Stan McGowan. Gold Usher: Charles Morgan.

The Doctor and Leela fight the invaders on their own. Dr. Who: Tom Baker. Leela: Louise Jameson. Kelner: Milton Johns. Vardan Leader: Stan McGowan. Nesbin: Max Faulkner.

A professor summons the power of an ancient god. Tom Baker, Elisabeth Sladen. Marcus: Bernard Archard. Ahmed: Vik Tablian. Sutekh: Gabriel Woolf. Ernie: George Tovey. Dr. Warlock: Peter Copley.

London, 1814. The entire city has turned out for the biggest Frost Fair in decades! But beneath the Thames, revelers are disappearing, snatched through the ice. Will the Doctor and Bill stop the slaughter before they too are dragged into the icy waters?

The Sontarans invade Gallifrey with the help of Kelner (Milton Johns). Tom Baker, Louise Jameson. Stor: Derek Deadman. Borusa: John Arnatt. Andred: Chris Tranchell. Rodan: Hilary Ryan. Ablif: Ray Callaghan.

When London is infiltrated by an eerie alien with the ability to morph into the shape of lost loved-ones, Tanya has an unexpected visitor come to her window in the dead of night.

Part 1 of two. The Doctor and Romana's search for the Key to Time leads them to warring planets Atrios and Zeos. Tom Baker, Mary Tamm. Shadow: William Squire. Marshal: John Woodvine. Princess Astra: Lalla Ward.

Dr. Who battles the Sontarans inside the TARDIS. Louise Jameson. Kelner: Milton Johns. Stor: Derek Deadman. Rodan: Hilary Ryan. Sontaran: Stuart Fell.

A fossilized hand is discovered in a quarry explosion. Tom Baker, Elisabeth Sladen. Zazzka: Roy Pattison. Abbott: David Purcell. Watson: Glyn Houston. Miss Jackson: Frances Pidgeon.

The Doctor and Romana receive a distress signal and arrive on Chloris, a lush and verdant world that has only small quantities of metals, all of which are controlled by its ruler, Lady Adrasta. Adrasta keeps order with the aid of her Huntsman and his wolfweeds - mobile balls of vegetation - while a band of scruffy thieves, led by Torvin, organize raids on her palace to steal whatever metal they can.

The TARDIS arrives in the future on the planet Pluto where there are now six suns, a breathable atmosphere and a large industrial community. The Company controls the planet and exploits the workers, pays them a pittance and then taxes them on everything imaginable. The Doctor and Leela join forces with an underground band of rebels led by a man named Mandrel.

The Doctor meets the scientist Tryst, who has with him a Continuous Event Transmuter machine.

The Doctor visits Stangmoor Prison for the unveiling of the Keller Machine, an invention that purges all evil impulses form the minds of criminals. When a series of mysterious assassinations occur the Doctor learn that what seems like a revolutionary from of prisoner rehabilitation is nothing more than a dangerous weapon controlled by a familiar enemy. Compiles episodes 5 through 7 from "Doctor Who" series 8.

Following a prison riot the Doctor and Jo are taken hostage. It is there he learns the full nature of the Master's plot to hijack a missile and attack the World Peace Conference in London. It will take all of the Doctor's cunning wiles to escape the Master and his mind controlled assassins in time. Compiles episodes 8 through 10 from "Doctor Who" series 8.

Conclusion. William Hartnell. Monk: Peter Butterworth. Vicki: Maureen O'Brien. Steven: Peter Purves. Edith: Alethea Charlton.

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.

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

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

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?

Part 1. The Doctor, Amy and Rory receive a secret summons that leads them to the Oval Office in 1969. Enlisting the help of a former FBI agent and the irrepressible River Song, the Doctor promises to assist the President.

The TARDIS is marooned onboard a 17th-century pirate ship whose crew is being attacked by a mysterious and beautiful sea creature. Becalmed and beset by cabin fever, the pirates have numerous superstitious explanations for the Siren's appearance.

By following a Time Lord distress signal, the Doctor puts Amy, Rory and his beloved TARDIS in grave danger.

Part 1. A solar tsunami liberates doppelgangers from their human 'originals' in a futuristic factory. Can the Doctor prevent all out civil war?

Part 2. The Doctor must convince terrified factory-workers to work with their doppelgangers to overcome a monster of their own making.

The Doctor assembles an army to face the Battle of Demons Run - and River Song has something to tell him.

The TARDIS crash lands in 1930's Berlin, bringing the Doctor face to face with the greatest war criminal in the Universe. And Hitler.

Every child is scared of monsters, but George's terrified pleas for help reach the Doctor. Because George's monsters are real.

Amy is trapped in a quarantine facility for victims of an alien plague. Can Rory save her before she is killed by kindness?