Ha! Ha! Ha! (1934)
After drawing Betty Boop, Max Fleischer (live-action) leaves the studio; Betty and Koko try amateur dentistry, releasing enough laughing gas to convulse the 'real world.'
Director: Dave Fleischer
![]() |
Mae Questel as Betty Boop (voice) (uncredited) |
| Directing | Dave Fleischer | Director |
| Visual Effects | Seymour Kneitel | Animation |
| Visual Effects | Roland Crandall | Animation |
| Production | Adolph Zukor | Producer |
| Sound | Sammy Timberg | Music Director |
| Production | Max Fleischer | Producer |
| Sound | Lou Fleischer | Music Supervisor |