"Punching Mantis" a video of a praying mantis that attacks a young man's face, is the $10,000 winner. Segments include "Main Street USA" and "Name That Sound."
Clip highlights include a montage of trampoline mishaps and a man who screams like a little girl during a roller coaster ride.
This episode features the best practical jokes throughout the 18-year history of the show.
Highlights include a boy who plays a practical joke on his mom by giving her a box of worms as a gift, and a man whose water slide ride ends in disaster. Also, animals do the craziest things: a dog jumps off a boat to chase a dolphin and an ostrich attacks a woman.
"America's Favorite Pets" are featured in hilarious footage of dogs, cats and other pets, including a dog that sneaks into a refrigerator and destroys the contents -- right down to the shelves -- pets who talk, and a montage of sneaky animal thieves.
Five finalists from across the country will compete for the second $100,000 prize.
A hidden camera captures a Daschund escaping from a gated area; co-workers playing a prank by putting a live mouse in a woman's coffee cup; a mom catching her son sneaking cake out of the fridge; twin boys having a hysterical reaction to eating sour candy; and a boy with a novel approach to wrestling class he just runs away from his opponent.