A solar tsunami sends the TARDIS crew to an acid mining factory in the 22nd century, where a small team of workers come under attack from their doppelgangers.
The gangers and humans battle for their lives as the factory crumbles and the Doctor tries to keep the peace - can everyone make it off the island alive?
The search for Melody Pond brings the Doctor and his friends to Berlin in 1938, face-to-face with Adolf Hitler, River Song and a justice-serving, shapeshifting robot.
Receiving a powerful distress call from a terrified little boy, the Doctor and his friends soon find that the monsters in his cupboard are real - and deadly.
Amy is trapped in a quarantine facility where time moves faster than in reality, while the Doctor is confined to the TARDIS. Can Rory save his wife in time?
The Doctor, Amy and Rory become trapped in a hotel of horrors unable to escape and unable to find the TARDIS. The Doctor must save as many people as he can taking many twists and seeing his own worst fear.
The Doctor makes one last stop before his death to see an old friend. But people are disappearing, there are reports of a silver rat and metal men are lurking in the shadows.
April 22nd, 2011; 5:02pm. Having finally accepted his fate the Doctor travels to Lake Silencio for his final day. But one woman refuses to let time take its course.