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 Goes Forth in the same episode, Blackadder describes the Great War as: "a war which would be a damn sight simpler if we just stayed in England and shot fifty thousand of our men a week." Field Marshal Sir Douglas Haig, whose orders are alleged to have resulted in hundreds of thousands of British deaths at Passchendaele and the Somme, is continually referenced. Blackadder himself describes Haig's attempts at an advance as no more than "another gargantuan effort to move his drinks cabinet six inches closer to Berlin". In "Goodbyeee", a scene parodies Haig's professional abilities by depicting the Field Marshal playing