Mark Rober's CrunchLabs

Stolen packages? Not so fast. Mark builds the original "Glitter Bomb" trap to combat porch pirates-and really make them regret their life choices.

Mark explores the possibilities of anti-drone defense technologies with a crew of backyard YouTube engineers... and the world's largest vortex cannon.

Mark uses the magic of engineering to level the playing field in a stacked competition against the world's greatest wiffle ball players.

With the right amount of forced air, a hot tub filled with sand can look like a bubbling pot of soup. But how? Mark breaks down the science behind it.

Mark ups his backyard obstacle course game to keep four thieving squirrels away from a bank vault full of birdseed and a lifetime supply of walnuts.

What's the most destructive substance on Earth? Lava's the reigning champ - but how do lasers stack up? Mark and his friends are about to find out.

Mark throws an epic birthday party for a deserving teen, complete with record-breaking devil's toothpaste experiment - the first of its kind.

To stop the sneaky squirrels from raiding his bird feeder, Mark builds a challenging eight-part obstacle course in his backyard to try and slow them down.

In a scientific face-off, Mark goes head-to-head with NileRed and Kevin the Backyard Scientist to find out which is more destructive: acid or lava.

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 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.

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.