Mark Rober's CrunchLabs - Season 3

Mark Rober's CrunchLabs - Season 3

Season 3

Network
Episodes9
Datesmars 16, 2026 - mars 16, 2026
Previous Season

Episodes

Lava vs Laser Destruction Test
Season 3Episode 123 min

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.
mars 16, 2026
Backyard Squirrel 2.0 - Bank Heist
Season 3Episode 217 min

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.
mars 16, 2026
Building a Liquid Sand Hot Tub
Season 3Episode 39 min

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.
mars 16, 2026
This Ball Is Impossible to Hit
Season 3Episode 422 min

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.
mars 16, 2026
Vortex Cannon vs Drone
Season 3Episode 521 min

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.
mars 16, 2026
Glitter Bomb 1.0 vs Porch Pirates
Season 3Episode 68 min

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.
mars 16, 2026
Engineers vs Food Robots
Season 3Episode 713 min

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.
mars 16, 2026
Mark Rober vs Ninja Kidz
Season 3Episode 88 min

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.
mars 16, 2026
Engineers vs Custom Go Kart Racing
Season 3Episode 910 min

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.
mars 16, 2026

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