16 people create a spontaneous musical in a food court in a Los Angeles shopping mall, while various hidden cameras capture the reactions of people not in on the gag.

Four guys at the beach build up the courage to go skinny dipping in the water in front of a bunch of people. Well, sort of.

A guy in France dresses up in full ice hockey gear and then goes around in public places slamming into plexi glass just like a hockey player being body checked against the boards.

A bunch of identical twins dress up in matching attire and board a subway car, seated on opposite sides from one another to create a mirror image. Hidden cameras capture other passengers' reactions.

Someone must have a real grudge against the owner of this truck, as a rope was attached to the hitch right before departing on a ferry boat.

Some guys play a clever prank on their buddy using the reaction between Mentos and Diet Coke along with a little ingenuity.

An elaborate prank pulled off by the Philadelphia Phillies in which they inform pitcher Kyle Kendrick that he was just traded to another team... in Japan. He handles it pretty well considering.

A student interrupts a speech at the 2008 Royal High School graduation ceremony by streaking across the field, then uses his track skills to evade the security team chasing after him. Looks like the sock didn't...