Nerdy accountant Harold and his irrepressible friend, Kumar, get stoned watching television and find themselves utterly bewitched by a commercial for White Castle. Convinced there must be one nearby, the two set out on a late-night odyssey that takes them deep into New Jersey. Somehow, the boys manage to run afoul of rednecks, cops and even a car-stealing Neil Patrick Harris before getting anywhere near their beloved sliders.

Hoping to foil his own gold-digging wife's plan, a loathsome businessman arranges his own kidnapping, only to realize that there are plenty of other people interested in his wealth as well.

Sworn enemies find themselves in each other's bodies, and use this to ruin each other's lives.

A visit to a natural history museum proves catastrophic for two high school rivals, an overachiever and a jock, when an ancient Aztec statue casts a spell that causes them to switch bodies and see exactly what it's like to walk in the other's shoes.