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Private Notes
In the Season 2 premiere, the guys attempt to make a 400-pound canoe float; and also try to stop a speeding car sans brakes. Also: a beer trick for summer cookout parties.
Kevin and Grant explore how fast a skateboard can travel; try to build the ultimate Slip 'N Slide; use a motorcycle at a playground to create the world's scariest merry-go-round.
Kevin and Grant get in the Holiday spirit and attempt to construct a sleigh that can actually fly. Also, they devise a way to parachute presents and attempt to build a cannon capable of quickly decorating a Christmas tree.
Things get explosive when Kevin & Grant push the physics of flight to build the ultimate Trash Can Rocket! TV parts, the Sun's power and ingenuity produce a Solar Powered Death Ray. Fenders bend when the guys try to execute a perfect Power Slide.
Kevin & Grant hit the streets to make the fastest Motorized Trike! They turn a childhood game into a risky test of distance and accuracy with their Uber Water Slide. The rapid-fire action of a Meatball Gatling Gun takes culinary arts to a new level.
Grant and Kevin challenge each other to lawnmower jousting for backyard glory. Competition is fierce in the inaugural mini-weapon challenge, and the guys attempt to build a water, shock and bullet resistant cell phone case.
Kevin & Grant test their skills when building a Homemade Hovercraft capable of crossing land and sea. How can a Merry-Go-Round produce Top Gun G-forces? Add motorcycle muscle. The guys attempt to defy gravity and walk on the ceiling in Magnetic Boots.
Kevin & Grant attempt to reach 30mph riding an improvised Rocket Skateboard! A Catapult built from scraps gets dialed it in for a basketball shooting competition - Man vs Machine. Kevin is convinced the power of buoyancy will float a 400lb Concrete Canoe.
Kevin & Grant try to survive a 30mph ride through rough terrain in their Off-Road Soap Box Racers. The classic homemade Volcano gets supersized into a 3-stage eruption. Aerodynamics and a 46-year old gridiron record are challenged by a Football Cannon.
Grant and Kevin soar to new heights with a Giant Paper Airplane that can fly over two hundred yards! They try to stop a moving car with no brakes using their James Bond Car Brake. And they use pneumatics to create the Ultimate Beer Delivery.
Kevin and Grant turn a blast of air into a ring of fire when they build a vortex cannon. They use magnets, superconductors and quantum physics to send a levitating racer around a track and make a frosty bulletproof glass mug.
Kevin and Grant modify a go-kart to beat a truck in a head-to-head drag race. The guys build a radio-controlled bowling ball so they can bowl strikes at will, and they play paintball in the dark with homemade night vision goggles.
Kevin and Grant decide to build an ATV that can crash and flip and then land back on its wheels. Next, the guys find the fastest way to chill a drink in under one minute, and they attempt to send a camera to the edge of space.
Kevin and Grant build an amphibious motorcycle that can drive on water and have a mini-golf competition to determine who can make the most holes-in-one. The guys also build drones and race them using virtual reality goggles.
Kevin and Grant become monsters of the fairway when they turn a golf cart into a monster truck. The guys take on the science of Spider-Man when they engineer a way to scale a 50-foot wall. And they turn power tools into high speed racing machines.
Kevin and Grant build an earthquake resistant table and put it to the ultimate test using an RV. Also, they discover if they can build a device that can cook a steak using the power of music and attempt to construct a hydrofoil.
Kevin and Grant engineer a plan to survive a three-story fall without a parachute, try to escape the legendary powers of homemade quicksand and build a massive squirt gun from recycled items in the garage.
Kevin and Grant outfit some old beater cars and face off in a demolition derby. Later, they build a lie detector to see who's best at playing fast with the truth, and a chainsaw-powered chairlift takes them to great heights.
The guys turn chariots into speed demons by replacing horses with powerful motorcycles. Kevin and Grant find out what it takes to escape from Alcatraz, and they build the an air hockey table so big you can stand in the rink.
Kevin and Grant build supersized Rock ‘Em Sock ‘Em Robots and face off in a no-holds-barred battle royale. They'll also find out if they can build a motorcycle with just one wheel, and what it takes to survive the perfect storm.
Kevin and Grant build a homemade submarine to see if they can survive at the bottom of a pool. The guys also build supersize wind-up cars and see if they can use duct tape to stop a bullet.
