Hosts and crew demonstrate the show's production.
Hosts present their nominations for the Rusty Awards and announce the winners.
Previously unseen footage exposes all that competitors and producers have worked hard to keep hidden.
American and British competitors smash automobiles into small objects.
The most skilled engineers in the American racing world go head to head.
Teams build lifeguard machines.
Teams build catapults to throw washing machines.
Teams make jets out of junk.
Teams build vehicles that can plow cars out of the way.
Teams create racing dune-buggies.
Teams build machines mighty enough to fling cars.
Teams build destroyers to sink enemy ships in a water war.
Teams race to build digging machines from scrap in 10 hours.
Teams build vessels to compete in a tug-of-war on water.
Teams make and ride massive one-wheel motorbikes.
Teams attempt to drive open vats of liquid over a bumpy course without spilling them.
Teams create engineless vehicles that run on human energy.
Teams have the windows of their vehicles blacked out before having to navigate their way through a maze.
Teams make shooters.
Building and racing hovercraft.
Teams build mud monsters.
Puck-shooting ice machines.
Junkyard engines must pull loaded rail cars.
Teams build submarines that must be operated without the use of a breathing apparatus.
Teams build race cars that can fit into four suitcases.
The teams build paintball-firing tanks and set their creations loose in an obstacle-filled arena.
Families race to build the fastest paddle-wheel boat.
Teams build mud buggies.
Teams build remote-control cars.
Teams build boats that can sail across a lake in time to douse a burning building.
Teams build hydrofoils; a judge has to settle a dispute within a team.
Teams race to clear garbage from a street.
Teams race to climb a steep incline.
Teams race to drill through a concrete wall and seize a stash of gold.
Teams convert automobiles into remote-controlled fighting machines.
Teams build boats that fly across the water.
Teams compete to build tunneling machines.
Teams compete to build hill climbers.
Teams compete to build minesweepers.
Two teams compete to build mobile cranes.
Teams build snowmobiles out of scrap.
Teams build vehicles for navigating white water.
Four-man garbage-collecting machine.
Two teams build reusable torpedos.
Teams build monster trucks capable of running over moguls and crushing a line of cars.
Teams compete to build giant eggshooters.
Demolition vehicles must be capable of knocking down single-story buildings.
A torpedo launch and retrieval system must sink the opponents' vessel.
Flying machines must sustain the most flight time while gliding through the air with one team member on board.
Teams construct power rafts.
Teams build cannons.
Teams build vehicles with portable bridging mechanisms.
Teams build monster trucks and race around a mud-covered course.
Teams must use subaquatic machines to stay under long enough to open a treasure.
Two teams have 10 hours to build boats.
Machines need to complete a rally course.
Teams must build missile launchers to fire pumpkins into a target.
Teams build two very different hot rods.
One team builds a car, the other a trike.
Teams must build a four-man fire-fighting ship.
Teams make giant wheat-cutters.
The teams build steam cars to race around a special circuit.
Teams build machines to carry them across a 5-meter ravine.
Contestants must make a machine to fire a rugby ball as far as possible.
Teams must build windmills to power coffee-grinders.
Teams build minisubs.
Teams must build non-piloted radio-controlled vehicles to drop paint bombs.
Teams must build machines capable of demolishing a set of industrial outbuildings.
Teams build and race walking machines.
Teams lift a car from a water-filled quarry.
Teams build vehicles out of spare parts.
Teams build and race land yachts.
Teams compete to build and race amphibious vehicles.
Teams compete to build cannons.
Teams compete to build flying machines.
Teams try to build the best rocket from a pile of junk.
Teams have one day to construct a power boat from a pile of junk.
Teams build and race all-terrain vehicles.
Teams build scuba-diving equipment.
Teams compete to build the stronger vehicle.
Teams build siege engines to lob vegetables at castle walls.