When Moe and Larry are done shaking hands after they find out all the oil is gone, stock footage from Oily to Bed, Oily to Rise (1939) comes in when Curly rises up with the oil and Moe and Larry are still shaking hands.
Moe and Larry's hairstyles differ from their regular to more gentleman-like during the sequence where they unpack groceries in the cabin.
Joe forgets his line after Larry steals his cigar. Moe helps him out by saying "He steals from anybody".
When Moe throws the rope up to Joe, it accidentally hits Larry on the ear.
Moe's mouth doesn't move when he tells Larry he wrecked his pajamas.
Joe's voice dubbing is evident when he and Larry are choosing where to sleep on the bunk beds.