Continuity mistake: When Bugs finishes drinking his carrot juice during the breakfast scene, he puts the glass in front of him on the table, but in the next shot the glass is by the salt and pepper pots.
Continuity mistake: When Bugs tells Sam that he won't drink his carrot juice until Sam drinks his first during the breakfast scene, the position of Sam's glass on the table changes between shots.
Continuity mistake: When Sam is preparing breakfast, he is holding a spoon in his right hand but when he comes out and tells Bugs breakfast is ready, the spoon is now in his left hand.
Continuity mistake: Before Bugs and Sam go to bed, Sam's boots are beside his bed but in the next shot they disappear.
Continuity mistake: When we first see Bugs' home at the start of the cartoon, there is nothing around the hole. When the camera pans in on the hole, pieces of carrot have appeared.