When the phone booth's walls fall and Moe Howard and Shemp Howard fall out of it, the phone cord in which they were tangled up disappears.
When Miss Hopkins first hits Shemp Howard, his hair was straight, but in the next shot, his hair was messy.
The sounds of all the women yelling and fighting with each other in the background suddenly stops once Shemp is officially married.
Larry's piano playing during one scene in the opening does not match Miss Dinkelmeyer's singing.
A flat scooter is visible when Shemp Howard is pulled into the piano to free himself from the wires.