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
Private Plane demonstrates with Bob). Melchett appears, at which point Blackadder asks for some time off to recuperate. Melchett agrees, stating that Blackadder's commanding officer would have to be mad to refuse. However, when Blackadder reminds Melchett that "he" is Blackadder's commanding officer, Melchett refuses. Private Plane "Private Plane", or "Plan D: Private Plane", is the fourth episode of "Blackadder Goes Forth", the fourth series of the BBC sitcom "Blackadder". The episode begins with an ongoing artillery attack that is disturbing Blackadder's rest, an attack which Blackadder says will not help as 'Jerry is safe underground'. Shortly after it stops, an air