On board a strange version of the Tardis, the Doctor and Tegan meet again and remember their terrifying adventure against the Cybermen to save the Earth, and the friend they lost along the way.
Jamie and Zoe meet again and remember their encounter with robots, clockwork soldiers and Medusa in a strange Land of Fiction governed by a mysterious master with a plan for the Doctor.
The Doctor and Peri meet again and remember their conflict on the mining planet Varos: a world that entertains its people with sadistic television broadcasts of torture and executions.
Jo Jones and Clyde Langer meet again as she remembers when the Time Lords summoned three Doctors to fight Omega, an awesome adversary from Gallifrey's past that was left trapped in another universe.
Steven and Vicki meet again and remember their first adventure battling a time-travelling Monk who sought to change the course of history by eliminating Harald Hardrada's Viking fleet in 1066.
The Doctor and Ace meet again and remember their battle in the Second World War, where a Viking curse is bringing the dead back to life as part of an ancient evil's devious scheme.
Joshua MG Thomas
Director
Russell T Davies
Producer
Scott Handcock