The Doctor is summoned to Antarctica to examine a vegetable pod discovered in the ice. Dr. Who: Tom Baker. Derek: Michael McStay. Sarah: Elisabeth Sladen. Chase: Tony Beckley. Winlett: John Gleeson.

The Krynoid develops quickly on Chase's country manor. Chase: Tony Beckley. Dr. Who: Tom Baker. Scorby: John Challis. Krynoid's Voice: Mark Jones. Amelia: Sylvia Coleridge. Thackeray: Michael Barrington.

The Doctor interrupts a jousting match and finds himself battling to protect the Magna Carta. Peter Davison. King John: Gerald Flood. Gilles: Anthony Ainley.

The Doctor battles the Master and a renegade Time Lady named Rani, who are wreaking havoc on a 19th-century mining community. The Master: Anthony Ainley. Peri: Nicola Bryant. Jack Ward: Peter Childs.

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.

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 arrives on the planet Oseidon where the alien Kraals have created an exact replica of the English village of Devesham and its nearby Space Defence Station and populated it with androids in order to rehearse for an invasion attempt. A human astronaut, Guy Crayford, has been duped into collaborating with them.

The fourth segment of the Key to Time provokes an identity crisis.

On Skaro, Doctor Who and Romana (Lalla Ward) encounter their archenemies---the Daleks. Tyssan: Tim Barlow. Cmdr. Sharrel: Peter Straker. Agella: Suzanne Danielle. Lan: Toby Osoba. Veldan: David Yip.

The TARDIS arrives on the planet Oseidon where the alien Kraals have created an exact replica of the English village of Devesham and its nearby Space Defence Station and populated it with androids in order to rehearse for an invasion attempt. A human astronaut, Guy Crayford, has been duped into collaborating

The Doctor and Sarah arrive in London to find it has been evacuated after a sudden and mysterious appearance of dinosaurs. It turns out the dinosaurs are being brought in via a time machine to further a plan to revert London to a pre-technological level.

The Doctor encounters highly advanced reptiles. Monarch: Stratford Johns. Nyssa: Sarah Sutton. Persuasion: Paul Shelley. Enlightenment: Annie Lambert. Adric: Matthew Waterhouse.

The Doctor and Sarah arrive in London to find it has been evacuated after a sudden and mysterious appearance of dinosaurs. It turns out the dinosaurs are being brought in via a time machine to further a plan to revert London to a pre-technological level.

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.

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.

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.

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)!

Two worlds collide when the Doctor meets Bill. A chance encounter with a girl with a star in her eye leads to a chase across time and space. Bill's mind is opened to a Universe that is bigger and more exciting than she could possibly have imagined.

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.

Why do floorboards creak? When a sinister landlord shows Bill and her friends the perfect house-share, they have no idea what lies ahead. Knock knock, who's there?

Space, the final frontier. Final because it wants to kill us. Trapped on a space station with no oxygen, the Doctor, Bill and Nardole are horrified to discover the automated spacesuits keeping them alive are also trying to kill them!

The Veritas. The truth. Truth so true you can't live with it. Is that looking into hell or seeing the light? Everyone who has ever read the Veritas has been found dead.

An 'ancient' pyramid appears overnight. Every clock in the world begins counting down to the Earth's destruction. Three opposing armies lie ready to annihilate each other. It's a terrifying race against time to save the world!

Earth has been invaded and Bill is living alone, an isolated figure surviving in occupied Britain. The Doctor is imprisoned, and appears to be on the side of the enemy, flooding the airwaves with fake news.

'God save the Queen' has been scrawled on the surface of Mars. What are Victorians doing on the home of the Ice Warriors? And what will they find beneath the Martian soil?

A hunt for the lost Ninth Roman Legion leads the Doctor,Bill and Nardole into the middle of an ancient battle that could cast humanity into the dark forever. What is inside the cairn? And how far will they have to go defeat the terrifying Eaters of Light?

A huge spaceship trapped in the gravity well of a black hole, teeming with impossible lifeforms, harbors one of the Doctor's most feared enemies, Mondasian Cybermen!

The Doctor and Rose board the Tardis and visit mankind's new home but they find gruesome secrets in a luxury hospital.

The Doctor and Rose travel back to 1879, but an encounter in the Scottish Highlands with Queen Victoria and a band of warrior monks reveals a deadly trap.

The Doctor investigates a haunted London school and runs into an old friend.

Madame de Pompadour finds the court at Versailles under attack by sinister clockwork killers and her only hope of salvation lies with the Doctor.

Part 1. Rose discovers that her father is still alive on a parallel Earth.

Part 2. The Cybermen take control of London and start converting the populace; Jackie falls under Lumic's control; the Doctor, Rose and Mickey are reduced to fugitives.