Mark Rober's CrunchLabs - Season 3
Season 3
Episodes
Lava vs Laser Destruction Test
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.
Backyard Squirrel 2.0 - Bank Heist
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.
Building a Liquid Sand Hot Tub
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.
This Ball Is Impossible to Hit
Mark uses the magic of engineering to level the playing field in a stacked competition against the world's greatest wiffle ball players.
Vortex Cannon vs Drone
Mark explores the possibilities of anti-drone defense technologies with a crew of backyard YouTube engineers... and the world's largest vortex cannon.
Glitter Bomb 1.0 vs Porch Pirates
Stolen packages? Not so fast. Mark builds the original "Glitter Bomb" trap to combat porch pirates — and really make them regret their life choices.
Engineers vs Food Robots
From cereal and milk to spaghetti and meatballs: Things get messy when the CrunchLabs team cooks up new ways to make Mark's mealtimes more efficient.
Mark Rober vs Ninja Kidz
It's not just the Ninja Kidz — it's the whole Ninja Fam! And Mark's challenging them all to a silly series of "Minute to Win It" style challenges.
Engineers vs Custom Go Kart Racing
CrunchLabs product designers get 24 hours to build and race their own custom go-karts incorporating engineering know-how — and the element of surprise.
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