Continuity mistake: When Crash McDash starts banging on the prison doors, wanting to come back in, the doors have rivets on them. But in a full length view of the prison in the next shot, the rivets have gone.
Continuity mistake: When Bugs and Daffy leave the Emergency Hospital, Bugs has a bandage around his head and on his face, but when he emerges from the lift at the TV studios, the bandages have disappeared.
Audio problem: When the rooster says "Get out and stay out!" when he kicks the Banty Rooster into the horizon, his beak doesn't move.