It's Christmas Day on a remote human colony and the Doctor is hiding from Christmas Carols and Comedy Antlers. But when a crashed spaceship calls upon the Doctor for help, he finds himself recruited into River Song's squad and hurled into a fast and frantic chase across the galaxy.

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, and for the Doctor and Clara survival seems impossible.

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?.

The Doctor and Clara save the frightened crew from a threat in an underwater base, but the Doctor questions the haunting.

On a remote army outpost, a fearsome alien warlord called 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?

In a forgotten corner of history, a young Viking girl sits surrounded by the dead warriors of her people. She wants to fight back against the perpetrators - and, in doing so, declares war on the Mire, one of the deadliest races that the galaxy has ever known. The Doctor and Clara must help protect her village, using the twelve tense hours they have to turn a motley crew of farmers and blacksmiths into a fighting force to be reckoned with.

England, 1651. A deadly highwayman known only as 'The Nightmare' plagues the dark streets of London, his fire-breathing accomplice by his side. There's something clearly more than human here, and that includes the loot as much as the outlaws. Who are these creatures, and are they enemies to be fought, or friends who might possibly save the Doctor from certain doom on the gallows?.

The Zygons, a race of shapeshifting aliens, have been living in secret among us on Earth, unknown and unseen - until now!

When Osgood is kidnapped by a rogue gang of Zygons, the Doctor, Clara and UNIT must scatter across the world in a bid to set her free. But will they reach her in time, and can they stop an uprising before it's too late?.

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. 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.

Trapped in a world unlike any other he has seen, the Doctor faces the greatest challenge of his many lives. One final test. And he must face it alone.

Pursued by the fearsome creature known only as the Veil, he must attempt the impossible. If he makes it through, Gallifrey is waiting.

If you took everything from him, betrayed him, trapped him, and broke both his hearts... how far might the Doctor go?

Returning to Gallifrey, the Doctor faces the Time Lords in a struggle that will take him to the end of time itself. Who is the Hybrid? And what is the Doctor's confession?.