Blackadder II size of the principal cast was reduced compared to the previous series, with a fixed number of characters appearing in every episode. Richard Curtis has been quoted as saying that due to the familiar cast, the series was the happiest for him to work on, comparing it to a "friendly bunch of school chums". The series also featured at least one significant cameo role per episode. Notable appearances include Rik Mayall as the debonair Lord Flashheart in "Bells"; Tom Baker and Simon Jones as Captain Redbeard Rum and Sir Walter Raleigh, respectively, in "Potato"; Miriam Margolyes, who had appeared in
Blackadder a future incompetent Baldrick. This remarkable encounter causes him to proclaim, "Bad guys have all the fun", and adopt the personality with which viewers are more familiar. "Blackadder: Back & Forth" was originally shown in the Millennium Dome in 2000, followed by a screening on Sky One in the same year (and later on BBC1). It is set on the turn of the millennium, and features Lord Blackadder placing a bet with his friends – modern versions of Queenie (Miranda Richardson), Melchett (Stephen Fry), George (Hugh Laurie) and Darling (Tim McInnerny) – that he has built a working time machine.