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?

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?

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?

On a remote Army outpost, a fearsome alien warlord 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?

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.

England, 1651. A deadly Highwayman 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.

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

Zygons are everywhere in the UK. With UNIT neutralised, 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. With a death sentence hanging over their heads, not all of the intruders will get out alive.

Trapped in a world unlike any other he has seen, the Doctor faces the greatest challenge of his many lives. Pursued by the fearsome creature known only as the Veil, he must attempt the impossible.

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.

It's Christmas Day on a remote human colony and the Doctor is hiding from Christmas Carols and Comedy Antlers. When a spaceship calls upon the Doctor for help, he finds himself in a fast and frantic chase across the galaxy.

The Doctor joins forces with a masked superhero for an epic New York adventure. With brain-swapping aliens poised to attack, the Doctor links up with an investigative reporter and a mysterious figure known only as the Ghost.