Bimbo's Initiation 1931 Betty Boop, Max Fleischer on Vimeo
Bimbo's Initiation (1931) | MUBI
Bimbo's Initiation - Wikipedia
This scene from the fleischer brothers short "bimbo's initiation" shows mickey mouse locking the pothole which bimbo fell in and walking away. : r/MovieDetails
Bimbo's Initiation (Western Animation) - TV Tropes