In the second series (novelised as The Return of Reginald Perrin), Reggie is tired of being Martin Wellbourne and wants to be Reggie again.
In the third series (novelised as The Better World of Reginald Perrin), after seeing two men arguing pointlessly in a queue at the bank, Reggie and his wife open a community called Perrins for the middle-aged middle class, designed to help them become "better, happier people".