"Bimbo's Initiation is a 1931 Fleischer Studios Talkartoon animated short film starring Bimbo and featuring Betty Boop. It was the final Betty Boop cartoon to be animated by the character's co-creator, Grim Natwick.

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The surreal, nightmarish atmosphere of Bimbo's Initiation has made it one of the most renowned Fleischer Studios shorts. Leonard Maltin described it as "the 'darkest' of all" the Fleischers' cartoons".