Continuity mistake: When Crash McDash sees the laundry van, there are three buttons on his prison suit. When we see him coming out of the wash tank, the buttons have gone, and when McDash approaches Willoughby's helicopter, they are back again.
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.
Continuity mistake: When Yosemite Sam attempts to attack Bugs in the Ben Hare sequence, Bugs says that Sam has flipped his lid and runs off. Sam then runs after Bugs and there is nothing in his hand, but when Sam runs down the stairs to the lions' den, he is now holding a sword.
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.
Revealing mistake: When the lady throws Sylvester through the window, you can see there is a bump on Sylvester's head before he hits the tree.