Liz Shaw is left back at UNIT Headquarters to work on a sheaf of calculations, while the Doctor and the Brigadier go to visit the committee responsible for funding UNIT. The Master arrives and hypnotises Liz into telling him everything she knows about the Doctor. The Master considers how to best make use of all he has learned. He decides the Nestene Consciousness and the Silurians sound very promising. He makes Liz forget he was ever there and leaves. Later, Liz comes to an important decision: she will resign from UNIT and return to Cambridge.
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
