Investigating Loch Ness, the Doctor (Tom Baker) makes Zygons be bygones. Tom Baker, Elisabeth Sladen. Benton: John Levene. Munro: Hugh Martin. Duke: John Woodnutt.

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

The Doctor, Romana, K9 and Adric - an Outler from Alzarius who has stowed away aboard the TARDIS - arrive on a planet where the native villagers live in fear of 'the Wasting' and of three Lords named Zargo, Camilla and Aukon who rule from an imposing Tower. The Lords are soon revealed to be vampire servants of the last of the Great Vampires, a race referred to in Time Lord mythology.

The TARDIS arrives on a Minyan space craft, the R1C, commanded by a man named Jackson. Jackson and his crew are on a long quest to recover the Minyan race banks from a ship called the P7E which left their planet centuries ago. The Doctor helps to free the R1C after it becomes buried in a meteorite storm, but it then crashes into another newly-formed planet.

The TARDIS arrives on contemporary Earth, where Sarah comes into contact with what appears to be a fossilised human hand. This is in fact the last surviving fragment of a Kastrian called Eldrad, who was blown up in space as a punishment for attempting to wipe out his own people.

Harry and Sarah walk into a trap on the uninhabited Earth. Dr. Who: {pTom Baker}}. Harry: Ian Marter. Sarah: Elisabeth Sladen. Styre: Kevin Lindsay. Erak: Peter Walshe. Zake: Terry Walsh.

Miniature clones of Dr. Who and Leela are injected into the Doctor to fight the virus. Marius: Frederick Jaeger. Lowe: Michael Sheard. Nucleus Voice: John Leeson. Parsons: Roy Herrick.

The Doctor discovers a planet that has been hollowed out so that it can transmat through space.

The Doctor pursues the nucleus into the atmosphere to destroy it. Louise Jameson. Marius: Frederick Jaeger. Nucleus: John Scott Martin. Lowe: Michael Sheard.

The Doctor and Clara are on the most beautiful train in history speeding among the stars of the future. But a deadly creature is stalking the passengers. Once you see the horrifying Mummy you only have 66 seconds to live.

The Doctor makes a return visit to Peladon some years after his previous visit. There he discovers that several miners have died and the ghost of Aggedor is to blame.

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 Doctor makes a return visit to Peladon some years after his previous visit. There he discovers that several miners have died and the ghost of Aggedor is to blame.

The Doctor, Romana, K9 and Adric - an Outler from Alzarius who has stowed away aboard the TARDIS - arrive on a planet where the native villagers live in fear of 'the Wasting' and of three Lords named Zargo, Camilla and Aukon who rule from an imposing Tower. The Lords are soon revealed to be vampire servants of the last of the Great Vampires, a race referred to in Time Lord mythology.

The Doctor makes a return visit to Peladon some years after his previous visit. There he discovers that several miners have died and the ghost of Aggedor is to blame.

Investigating Loch Ness, the Doctor (Tom Baker) makes Zygons be bygones. Tom Baker, Elisabeth Sladen. Benton: John Levene. Munro: Hugh Martin. Duke: John Woodnutt.

Hedgewick's World of Wonders: the perfect theme park day out. And ground zero for a deadly silver resurrection.

The Doctor has a secret he will take to his grave. And it is discovered.

Christmas Eve 1892 and a chilling menace threatens humankind - but with the Doctor in mourning, it takes old friends and an unorthodox young governess to get him fighting to save the world again.

A Dalek fleet surrounds a lone rebel ship, and only the Doctor can help them now...

When Robots threaten Sherwood forest, the Doctor must join forces with Robin Hood to stop the evil reign of the Sheriff of Nottingham.

When ghosts of past and future crowd into their lives, the Doctor and Clara are thrown into an adventure that takes them to the very end of the universe.

The Doctor turns bank robber when he attempts to break into the most dangerous bank in the Cosmos.

The terrifying Skovox Blitzer is ready to destroy all humanity - and worse, any second now, Danny Pink and the Doctor are going to meet.

The Doctor and Clara crash land on the Moon to find a world of horror: a mining base full of corpses, vicious spider-like creatures poised to attack, and a terrible dilemma.

The Doctor and Clara are on the most beautiful train in history but a deadly creature is stalking the passengers. The Doctor must race against the clock to defeat the terrifying Mummy.

Separated from the Doctor, Clara discovers a new menace from another dimension. But how do you hide when even the walls are no protection? With people to save and the Doctor trapped, Clara comes up against an enemy that exists beyond human perception.

One morning in every city and town in the world, the human race wakes up to face the most surprising invasion yet. Everywhere, in every land, a forest has grown overnight and taken back the Earth.

In the world of the Nethersphere, plans have been drawn. Missy is about to come face to face with the Doctor, and an impossible choice is looming. "Death is not an end" promises the sinister 3W but, as the Doctor and Clara discover, you might wish it was.

With Cybermen on the streets of London, old friends unite against old enemies and the Doctor takes to the air in a startling new role. Can the mighty UNIT contain Missy? As the Doctor faces his greatest challenge, sacrifices must be made.

Part 1. "Where is the Doctor?" When the skies of Earth are frozen by a mysterious alien force, Clara needs her friend. But where is the Doctor, and what is he hiding from? As past deeds come back to haunt him, old enemies will come face-to-face.

Part 2. Trapped and alone in a terrifying Dalek city, the Doctor is at the heart of an evil Empire; no sonic, no TARDIS, nobody to help. With his greatest temptation before him, can the Doctor resist? And will there be mercy?

Part 1. When an Underwater Base comes under attack, the Doctor and Clara must save the frightened crew and defeat an impossible threat. But what is behind these terrifying events? And can they really be haunted by Ghosts?

Part 2. On a remote Army outpost, a fearsome alien warlord, the Fisher King, sets in motion a twisted plan to ensure his own survival. The ripples will be felt around the universe. Is this chain of events inevitable? And can the Doctor do the unthinkable?

Part 1. Captured by Vikings, the Doctor and Clara must help protect their village from Space Warriors from the future; the Mire. Outnumbered and outgunned their fate seems inevitable. So why is the Doctor preoccupied with a single Viking girl?

Part 2. England, 1651. The deadly Highwayman 'The Knightmare' and his sidekick stalk the dark streets of London. But when they find loot that's not of this world, they come face to face with the Doctor. Can the Doctor avoid the hangman's noose?

Part 1. The Zygons, a race of shapeshifting aliens, have been living in secret amongst us on Earth, unseen until now! When Osgood is kidnapped by a gang of Zygons, the Doctor, Clara and UNIT must scatter across the world in a bid to set her free.

Part 2. Shapeshifting Zygons are everywhere in the UK, and there is no way of knowing who to trust. With UNIT neutralized, only the Doctor stands in their way. But how do you stop a war? And what can the Doctor do to save his friends?

This terrifying story is assembled from footage discovered in the wreckage of Le Verrier Space Station.

The Doctor and Clara, with their old friend Rigsy, find themselves in a magical alien world, hidden on a street in the heart of London. Sheltered within are some of the most fearsome creatures of the universe and Ashildr (Maisie Williams)!

Separated from the Doctor, Clara discovers a new menace from another dimension. But how do you hide when even the walls are no protection? With people to save and the Doctor trapped, Clara comes up against an enemy that exists beyond human perception.

The overlap between quantum reality and science fiction is discussed.