Weekend at Bernie's II

Revealing mistake: When Bernie gets shot underwater after the kids remove the treasure chest, they carry Bernie. He's dead, yet you see his head move.

BigOLB

Plot hole: In Weekend at Bernie's one, Larry takes Bernie's watch and never puts it back on the body. In Weekend at Bernie's II, he gets the watch at the morgue after it's been taken off the body, and signs for it. How did the watch get back on the body?

More mistakes in Weekend at Bernie's II

Larry Wilson: I was not the one who was out CONGA-DANCING all night, huh.

More quotes from Weekend at Bernie's II