Blackadder appeared in more than one of the Blackadder series and/or specials. These are: Ben Elton's arrival after the first series heralded the more frequent recruitment of comic actors from the alternative comedy era for guest appearances, including Robbie Coltrane, Rik Mayall (who had appeared in the final episode of the first series as "Mad Gerald"), Adrian Edmondson, Nigel Planer, Mark Arden, Stephen Frost, Chris Barrie and Jeremy Hardy. Elton himself played an anarchist in "Blackadder the Third". Gabrielle Glaister played Bob, an attractive girl who poses as a man, in both series 2 and 4. Rik Mayall plays Lord Flashheart,
Blackadder George, respectively. Each series was set in a different period of British history, beginning in 1485 and ending in 1917, and comprised six half-hour episodes. The first series, made in 1983, was called "The Black Adder" and was set in the fictional reign of "Richard IV". The second series, "Blackadder II" (1986), was set during the reign of Elizabeth I. "Blackadder the Third" (1987) was set during the late 18th and early 19th centuries in the reign of George III, and "Blackadder Goes Forth" (1989) was set in 1917 in the trenches of the Great War. "The Black Adder", the