The Doctor and Peri meet again and remember their conflict on the mining planet Varos: a world that entertains its people with sadistic TV broadcasts.

Jo Jones and Clyde Langer meet again as she remembers when the Time Lords summoned three Doctors to fight an awesome adversary from Gallifrey's past.

Steven and Vicki meet again and remember their first adventure battling a time-travelling Monk about to change the course of history in 1066.