Teams will build two air-cannon vehicles from the wreckage of SUVs.
Teams will build two cranes from the wreckage of semi-trailers.
Teams will build two amphibious vehicles from the wreckage of boats.
Teams will build two dump trucks from the wreckage of minivans.
Teams will build two water taxis from the wreckage of motor homes.
Teams will build two flatbed trucks from the wreckage of pick-up trucks.
Teams will build go-kart carriers for the go-cart race over land and water.
Teams will build fire trucks with parts from a destroyed police car.
Cartoon Network stars build foot-powered mini-boats to transport inflatable balls.
Siblings compete to build an 18-wheel vehicle to haul boxes through a winding course.
Monster Jam's Grave Digger and Maximum Destruction compete with fans in a battering ram challenge to destroy car windows and cars.
WWE superstars John Morrison and The Miz come to compete in a surveillance car obstacle course challenge.
Kids take on their dads.
Teams compete in building music machines
Antonio Gates and Shawne Merriman of the San Diego Chargers compete.
The Dudes return for a duel with Scooby Doo! cast Robbie Amell, Kate Melton, and Nick Palatas.
NASCAR fans team up with their heroes.
Little brothers take on their big brothers in a battle at night.
The sons take on their moms.
Students battle their teachers.
Football Players take on Cheerleaders.
Valley Girls take on Jersey Boys. The two teams must build a food assembly line vehicle in an East Coast/West Coast battle.
Speed Demons take on Chillaxers.
The Straight A's take on the A Gamers.
Bulleyes take on Frenemies.
Navy Brats take on Army Brats.
Mad Scientists take on Mad Moves.
Skaters take on BMXers.
Class Presidents take on Team Captains.
Dee Jays take on Dirt Bikers.
The Hams take on The Engineers.
The Cleats take on Black Belts.
Tricksters take on Trash Talkers.
Team Wentz take on Team Chiddy.
Team Glee Club take on Team 4.0's.
The pretty boy models take on the car loving girls.