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 Zygons begin their conquest of the world. Dr. Who: Tom Baker. Broton: John Woodnutt. Harry: Ian Marter. Angus: Angus Lennie. Benton: John Levene. Lethbridge-Stewart: Nicholas Courtney. Soldier: Peter Symonds.

Amy faces a terrible choice when the Doctor reappears in her life after a five-year hiatus.

Earth's greatest heroes assemble in a time of dire need. But can the Doctor's secret army defeat the might of the new Dalek Empire?

The Doctor and Rose travel back to London in 1941, at the height of the Blitz. A mysterious cylinder is being guarded by the Army, while homeless children (living on the bombsites) are being terrorized by an unearthly child. Rose meets the dashing Captain Jack Harkness - has she found a hero even better than the Doctor?

The TARDIS crashes, and Clara becomes trapped inside. The Doctor rushes to save her before his damaged ship self-destructs in 30 minutes.

The Child's plague is spreading throughout wartime London, and its zombie army is on the march. The Doctor and Rose form an alliance with intergalactic con-man Captain Jack, but find themselves trapped in the abandoned hospital. The answer lies at the bombsite, but time is running out...

The Doctor's search for Clara Oswald brings him to modern-day London, where wi-fi is everywhere and humanity lives in a wi-fi soup. But something dangerous is lurking in the signals, picking off minds and imprisoning them. As Clara becomes the target of this insidious menace, the Doctor races to save her and the world from an ancient enemy.

Christmas Eve, 1892, and the falling snow is the stuff of fairytales. When the fairytale becomes a nightmare and a chilling menace threatens Earth, an unorthodox young governess, Clara, calls on the Doctor for help. But the Doctor is in mourning, reclusive and determined not to engage in the problems of the universe. As old friends return, will the Doctor really abandon humankind, or will he fight to save the world and Christmas from the icy clutches of this mysterious menace?

Earth's greatest heroes assemble in a time of dire need. But can the Doctor's secret army defeat the might of the new Dalek Empire?

The time-travelers arrive at a mysterious hotel that houses their deepest fears.

Can Rose trust a man with a new face? As the newly regenerated Doctor drifts in and out of consciousness, Christmas becomes a time of terror on planet Earth when the whole of mankind falls under the shadow of the sinister alien Sycorax.

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.

A silver rat in a department store causes trouble.

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.

It is 1953 and the coronation of Queen Elizabeth II is taking place, but beneath the celebrations there are rumours of monsters on the streets.

Part 1. Rose is trapped in the orbit of a black hole; something ancient beneath the planet's surface begins to awaken.

Amy faces a terrible choice when the Doctor reappears in her life after a five-year hiatus.