Blackadder a vulgar friend in his first appearance and then a successful rival of Blackadder in a later episode of series 2 and 4. He also played a decidedly Flashheart-like Robin Hood in "Back & Forth". Lee Cornes also appeared in an episode of all three Curtis-Elton series. He appeared as a guard in the episode "Chains" of "Blackadder II"; as the poet Shelley in the episode "Ink and Incapability' of "Blackadder the Third"; and as firing squad soldier Private Fraser in the episode "Corporal Punishment" of "Blackadder Goes Forth". More established actors, some at the veteran stage of their careers,
Blackadder Goes Forth Goes Forth" is used as a teaching aid in schools; not as a secondary text that should be analysed and discussed for its own reliability, but as a truthful parody ["sic"] of the conditions of the First World War." Broadcaster Jeremy Paxman criticised schools for relying on episodes of "Blackadder Goes Forth" to teach pupils about the conflict. "Blackadder Goes Forth" is available on a variety of BBC Worldwide-distributed DVD and VHS video releases, either as an individual series or as part of a boxset with the other series of "Blackadder". In addition, a BBC Radio Collection audio version created