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:
Mae Questel
Betty Boop (voice) (uncredited)
Sep 16, 1976
Dec 19, 1986
Oct 15, 1938
Dec 13, 1941
Sep 11, 1989
Dec 14, 1907
Jan 25, 1920
Jan 1, 1972
Jun 26, 2012
Feb 25, 1929
Apr 20, 2016
May 25, 2025
Jul 12, 2019
Jun 24, 2022
Aug 6, 2018
Dec 6, 2019
Mar 11, 1932
Jul 15, 2008
Apr 12, 2007
Mar 16, 2025
Jun 16, 2021
Dec 28, 1939
Dec 5, 1977
Nov 8, 2021
Dec 6, 1950
Jul 31, 1981
Oct 12, 2017
Jun 19, 1944
Invalid Date
Oct 9, 2025
Apr 1, 2024
Feb 9, 2014
Sep 25, 2015
