Man sits on couch & gets surprised by woman hiding beneath the cushions. Practical joke.
People dress up a punching dummy as a burglar and hide him in a shower. They tell man to look into shower. He gets scared / surprised/ shocked. Everyone laughs. Close up of dummy at end. Practical joke.
2 friends scare roommate by having her sit on couch as man with scary mask bursts through the window behind them. Good reaction.