Dr Who: The Five Doctors

The world's longest running science-fiction series celebrated its 20th anniversary with this special feature-length story. A glorious reunion of all five doctors and many of their companions and infamous enemies. A place of ancient evil once feared throughout the universe - the Death Zone on Gallifrey. Abandoned for centuries it is now re-activated by someone who dares to play the deadly Game of Rassilon once more. The first five incarnations of the Doctor have been snatched from their Time-Streams; the fourth Doctor (Tom Baker) is trapped in the Time/Space Vortex, and the remaining Doctors, aided by old friends and companions, must cross the Death Zone and reach the Tomb of Rassilon to discover the final secret of the first Time Lord President before all the Doctors are pulled into the Vortex forever. But old adversaries are also active in the Death Zone - a Dalek, a Yeti, a deadly Raston Warrior Robot, a troop of Cyberman and the evil renegade Time Lord known as The Master all stand between the Doctors and their goal... © BBC