This wacky prequel to the 1994 blockbuster goes back to the lame-brained Harry and Lloyd's days as classmates at a Rhode Island high school, where the unprincipled principal puts the pair in remedial courses as part of a scheme to fleece the school.

John Davenport thought he had everything: a beautiful house, two adorable children and Diana, the perfect wife. But Diana hides a dark secret. Now the past is back to haunt them in the form of her violent ex-husband.

After bowler Roy Munson swindles the wrong crowd and is left with a hook for a hand, he settles into impoverished obscurity. That is, until he uncovers the next big thing: an Amish kid named Ishmael. So, the corrupt and the hopelessly naive hit the circuit intent on settling an old score with Big Ern.

A stranger tries to help twin brothers who play for a winless soccer team.

Lloyd and Harry are two men whose stupidity is really indescribable. When Mary, a beautiful woman, loses an important suitcase with money before she leaves for Aspen, the two friends (who have found the suitcase) decide to return it to her. After some "adventures" they finally get to Aspen where, using the lost money they live it up and fight for Mary's heart.

An eccentric East German inventor and defector travels to Los Angeles, California to sell a prototype revolutionary new car that runs on vegetables and produces no pollution, but he runs into one madcap situation after another to find a buyer and financier for mass production.

Moronic best friends get themselves locked inside the Bio-Dome, a science experiment, along with a group of environmental scientists for one year.

Thrill-seeking teenagers resurrect a demon from his grave and a bloody rampage for revenge begins.

Four tuxedo clad men show up at a penitentiary to meet a friend who has just been released after three years in prison and is going straight from the jail to marry his girlfriend. En route to the wedding, one of the men asks to stop by a bank to pick up some cash. As it turns out, he is a wanted bank robber who uses Shakespeare passages during his robberies and thus has become known as "Hamlet". Soon all five men are caught up in the bank and involved in the robbery as they end up in a hostage situation. The hostage negotiator shows up who turns out to be Hamlet's father.

Campers on a holiday are terrorized by an axe-wielding maniac.