Water's Edge - S3-E3
Revealing mistake: The murder victim's skeleton, which Rusty finds in the attic, has a clear cut all the way around its skull. It also has metal pins holding together what turns out to be rubber bones: one of the ribs wobbles up and down when Rusty brushes against it with the cash box. (00:42:00)
Revealing mistake: Gerald hides what are supposed to be thousand-dollar bills inside Emmy's magazines. But the money he's handling all carries George Washington's portrait. It's one-dollar bills. (00:30:00)