The Gunpowder Plot. It’s a favourite of time travellers. If Missy’s going to hitch a ride, that’s the place to cause trouble. Especially if trouble makes a really big bang.
The only person in her way, trying to keep history on track, is a rookie Time Agent. But Rita Cooper wanted excitement...
According to one account, the Master had the appearance of Roger Delgado while on Gallifrey. According to another, he had Anthony Ainley's likeness. According to another one, the one with James Dreyfus's appearance was the incarnation who ran away from Gallifrey.
While fighting to extend his life at the end of his regeneration cycle, many bodies were possessed by the Beevers incarnation, but all kept somehow reverting to his real being until he finally regenerated into the MacQueen one. Hence, these sections cannot be strictly chronological
