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 battlefield. On viewing the original studio rushes for the 20th anniversary documentary "Blackadder Rides Again", John Lloyd recalls that originally the final scene was "all very embarrassing", as the actors only had to run before they reached the barbed wire in front of the camera, where they had to pretend to die, an effect described by Atkinson as "somewhat unconvincing". It was only in post-production that the final effect was achieved by running the video and audio in slow motion and fading another video of the empty set over the top to make it appear as if the characters had