It's five against one when Dude Perfect challenges Mark to an epic robot showdown that's full of surprises. The only rule is... there are no rules.

Mark builds robots to beat the five most common arcade games, shares secret strategies to win tons of tickets and exposes some of the biggest scams.

After spending six months studying Jell-O, Mark sets out to fill an entire pool with it so he can see what it would be like to do a Jell-O belly flop.

Mark challenges his pet octopus Sashimi to a nine-part underwater obstacle course that tests her amazing intelligence and incredible dexterity.

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"Mark starts out with a plan to drop an egg from the world's tallest building but shifts gears to attempt the world's largest egg drop... from space.

Learn the science behind some of the coolest CrunchLabs creations, from a room-temperature ice rink to a rock, paper, scissors robot that can't lose.