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This British sitcom was one of several TV vehicles for mustachioed comedian Jimmy Edwards. On this occasion, the star was billed as Professor James Edwards, the headmaster of Chiselbury School. A stickler for discipline and protocol, Edwards was invariably undermined by his own stupidity. Originally telecast from 1956 to 1960, toting up 60 episodes in the process, Whack-O! was revived for an additional 13 installments in 1971. The series also spawned a theatrical feature, Bottoms Up (1960).