Continuity mistake: At the 18th hole, Bugs digs a channel to allow the ball to roll into the hole to enable him to win. But when MacRory's accuses Bugs of cheating, the channel has now gone.
Continuity mistake: When MacRory's foot is tapping at the first hole, there is a sign saying "1" behind him. But when we see MacRory's feet, look behind him and you can see the sign has gone.
Continuity mistake: When Bugs (dressed as an old man) is talking to MacRory by the burrow, you can see MacRory's gun is by the burrow. But when Bugs says "Games?" and brings back a card table, the gun has disappeared.
Continuity mistake: When Bugs destroys MacRory's bagpipes, there are pieces of the instrument on the ground. But when Bugs says "What's wrong, he says?" we return to the two, and the pieces have all gone.
Continuity mistake: When Bugs is about to tee off at the first hole at the golf course, the objects behind him change position between shots.