A hitman whose victims are sent back in time discovers the mob wants to close 'the loop'.
2/2 A look at the seventh to eleventh doctors and some of his companions and enemies.
1/2 A look at the first six Doctors, the Daleks and the Cybermen, plus a tour of the TARDIS.
10/12 The Doctor discovers that the final days of humanity have arrived.
9/12 Clara goes against an enemy that exists beyond human perception.
10/14 The eighth Doctor, Paul McGann, and Christopher Eccleston, the 'tough guy Timelord'.
8/12 Once you see the mummy, you only have 66 seconds to live. The Doctor races against time.
9/14 Peter Davison, Colin Baker and Sylvester McCoy discuss their portrayals of the Doctor.
7/12 The Doctor and Clara crash land on the Moon to find a world of horror.
6/14 The story of the eleventh Doctor, played by Matt Smith, and his companions, Amy and Clara.