Looks like this is from a "candid Camera" type of show. A store allows the show to set up a fake waterbed. This waterbed is unlike any other, in that when you lay down in it you end up laying down in a bed of water. The show then films people as they are shopping and testing the various other beds the store has on the showroom floor. But once they get to test out the fake waterbed, what they get is all wet.
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