Watch CrunchLabs

2025
3 Seasons

At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.

CrunchLabs is a series that ran for 3 seasons (23 episodes) between November 26, 2025 and on

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Seasons

3 2 1

9. Engineers vs Custom Go Kart Racing

March 16, 2026

CrunchLabs product designers get 24 hours to build and race their own custom go-karts incorporating engineering know-how — and the element of surprise.

8. Mark Rober vs Ninja Kidz

March 16, 2026

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.

7. Engineers vs Food Robots

March 16, 2026

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.

6. Glitter Bomb 1.0 vs Porch Pirates

March 16, 2026

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

5. Vortex Cannon vs Drone

March 16, 2026

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

4. This Ball Is Impossible to Hit

March 16, 2026

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

3. Building a Liquid Sand Hot Tub

March 16, 2026

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.