Daphne: That puts the stairs back. But I wonder what the other switches do?
Velma: Well, with your luck, Daph, the next button you push will bring the roof down. But, go ahead.
Scooby finds a clump of ape hair stuck in the wine cask. It cuts to the gang, then back to the cask as they walk up and suddenly the clump of hair is twice as thick.