Continuity mistake: When the delivery man arrives to give a telegram, Bugs takes the telegram and he is holding it with both hands, but in a close-up of the telegram, Bugs is now holding it with one hand.
Continuity mistake: When Bugs tells Sam to close his eyes while he puts on his bathing suit, Sam puts his guns in the holster. When Bugs spins the diving board around, look at Sam and the guns have disappeared.
Continuity mistake: When Bugs spins the diving board around after he has put on his bathing suit, you can see the handles of the ladder in front of him when he dives off, but when we see Bugs pretending to take the dive, the handles have disappeared.
Continuity mistake: When we first see Bugs at the Opry House, you can see behind him there is a pink poster with "Frizby the Magician" on it, and on the left there is a yellow poster. But when we see Bugs in the next shot, the "Frizby" poster is now yellow, the poster on the left is now red and a "World's Strongest Man" poster has appeared on the right.