Things get explosive when Kevin and 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 and 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 and 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.

While exploring the principles of armor design Grant and Kevin challenge each other to Lawnmower Jousting for backyard glory. Competition is fierce in the inaugural mini-weapon Olympiad. The guys attempt a water, shock and bullet resistant Cell Phone Case.

Kevin and 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.

Kevin and 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.

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Kevin and Grant turn a blast of air into a massive 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 to hold their beer.