IMDb7.1Ha! Ha! Ha!·1934·7m·Comedy, AnimationAfter 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.'Mark as watchedTop castMae QuestelBetty Boop (voice) (uncredited)More like thisIMDb0.0Pecos PestMovie · 1955IMDb0.0Mouse CleaningMovie · 1948IMDb0.0Welcome to the ClubMovie · 2022IMDb0.0Dog TroubleMovie · 1942IMDb0.0Extreme Makeover: Homer EditionMovie · 2026IMDb0.0Baseball BugsMovie · 1946IMDb0.0Mickey's Steam RollerMovie · 1934IMDb0.0South Park (Not Suitable for Children)Movie · 2023IMDb0.0Tom & JerryMovie · 2021IMDb0.0A Knight for a DayMovie · 1946IMDb0.0Jerry's CousinMovie · 1951
