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Season 4
Season 4 episodes2026-06-25

Season 4

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

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Episodes

Season 4

Episode 1

Moving Train Jump Test

18m

Episode 2

Lasers vs. Lightning Destruction Test

28m

Episode 3

Glitter Bomb 2.0 vs. Porch Pirates

16m

Episode 4

How to Escape a Police Sniffing Dog

25m

Episode 5

Backyard Squirrel Olympics 3.0

22m

Episode 6

I Built My Own Space Satellite

21m

Episode 7

I Spent $5M So You Can Go to Space

19m