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"The Decapod" is the professional name of a wrestling champion who the Avengers suspect of being an assassin. When the secretary of a Balkan ambassador is murdered, Steed's assistant Venus Smith (Julie Stevens) takes the dead woman's place. Trailing the killers, Venus ends up at a professional wrestling match, while Steed does some grappling of his own to fend off the real assassin. Written by Eric Paice, this episode was originally telecast October 13, 1962; its American debut was delayed until January 29, 1991.