Continuity mistake: When Sam points his gun at Bugs at Fort Knox, he says "But I can't take any chances!" and throws away the gun. In the next shot, the gun is back in his hand again.
Audio problem: When Bugs says "There's gold in them thar hills" when he comes into the shop carrying a gigantic piece of gold, his mouth doesn't move.
Continuity mistake: When Yosemite Sam is surprised to see the gold that Bugs has found, there is a boiler behind him that changes to a barrel in the next shot.
