Continuity mistake: When Ellen tells her mother-in-law about her whereabouts in the Indian Ocean, Irene Dunn's hand is held high up on the column, and at the base in the following shot. (00:09:35)
Continuity mistake: The parts where Marta fires her gun into the door, she fires 10 shots out of a six shooter.
Continuity mistake: Stan puts the half-folded newspaper down on the boat's galley table. One shot later, the paper is completely unfolded and covering the table. (00:46:05)
Continuity mistake: When Elmer approaches the log, you can see there is a squirrel by the hole, but in the next shot the squirrel disappears.
Continuity mistake: When Bugs is pretending to be dead, there is nothing behind him, but two shots later, a tree and two leaves appear from nowhere.
Continuity mistake: In the climactic sword fight between Power and Rathbone, the Captain hand Diego a sword and they immediately start a classic duel. At end, Diego pulls off a dueling glove that he had never put on.