What Could Possibly Go Wrong?

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 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.