A dog jumps up and down in front of an open door because he doesn't realize he can't walk in.
Two teen boys pretend to throw their tongues back and forth and their Golden Retriever tries to catch it but doesn't realize it is a prank.
A man pretends to bounce an egg on the kitchen floor behind a counter and catch it to trick his young son, and then he gives it to his son to bounce it. The boy does and the egg cracks and splatters on the floor.