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Mark Rober's CrunchLabs

Season 4 · Episode 2

Lasers vs. Lightning Destruction Test still

Lasers vs. Lightning Destruction Test

0.028mJune 25, 2026

Now it's lasers vs. lightning in a showdown to find out which one is more destructive. With a series of tests, the CrunchLabs crew declares a champ.

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Episodes

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Episode 1Moving Train Jump Test
Episode 2Lasers vs. Lightning Destruction Test
Episode 3Glitter Bomb 2.0 vs. Porch Pirates
Episode 4How to Escape a Police Sniffing Dog
Episode 5Backyard Squirrel Olympics 3.0
Episode 6I Built My Own Space Satellite
Episode 7I Spent $5M So You Can Go to Space