Blackadder: Back & Forth is a 1999 sci-fi comedy film based on the BBC period sitcom Blackadder that marks the end of the Blackadder saga. It was commissioned for showing in the specially built 'SkyScape' cinema, erected southeast of the Millennium Dome on the Greenwich peninsula in South London. The film follows Lord Edmund Blackadder and his idiotic servant, Baldrick, on a time travel adventure that brings the characters into contact with several figures significant to British history.