Bells (Blackadder) marks the first appearance of the Bob/Kate and Flashheart archetypes that appear again in "Blackadder Goes Forth". Rik Mayall, who played Lord Flashheart, allegedly designed the character's costume himself. John Lloyd has said that Mayall virtually rewrote his part to feature "loads of jokes", which annoyed the writers, Curtis and Elton. It was the only episode of the series to feature location filming, at Wilton House in Wiltshire. The music performed as Blackadder courts "Bob" is Vaughan Williams' "Fantasia on Greensleeves". In 1993, in conjunction with Comic Relief, this episode was given away free on cassette tape with boxes of
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