Continuity mistake: When Elmer takes out of his fishing gear, there are pieces of his torn up contract by the log. When Elmer walks off, they have disappeared.
Continuity mistake: When Elmer falls asleep during his fishing trip, you can see his fishing rod by his feet. When Bugs comes out of the fishing basket, the rod has disappeared.
Continuity mistake: When Bugs goes to sleep after taking the sleeping tablets, he is lying down with his legs straight and the sleeping tablet bottle is right by him. But in the next shot, his legs are now bent and the bottle has gone.