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 Goes Forth noted that the television series has become a pervasive view of the war in the public's perception of World War I, with Max Hastings calling the common British view of the war "the "Blackadder" take on history." Military historian Richard Holmes commented in his book "The Western Front": "Blackadder's aphorisms have become fact...A well turned line of script can sometimes carry more weight than all the scholarly footnotes in the world." Stephen Badsey, analysing trends in television programmes about the war, remarked that "Blackadder Goes Forth" as a popular comedy series was subject to particular criticism from historians, remarking that