Mark Rober's CrunchLabs - Season 4

Mark Rober's CrunchLabs - Season 4

Season 4

Network
Episodes7
DatesMay 25, 2026 - May 25, 2026
Previous Season

Episodes

Moving Train Jump Test
Season 4Episode 118 min

Moving Train Jump Test

To answer an assortment of science puzzles, Mark takes his experiments to the next level — on top of a moving train and up high in a hot air balloon!

May 25, 2026
Lasers vs. Lightning Destruction Test
Season 4Episode 228 min

Lasers vs. Lightning Destruction Test

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.

May 25, 2026
Glitter Bomb 2.0 vs. Porch Pirates
Season 4Episode 316 min

Glitter Bomb 2.0 vs. Porch Pirates

Actor Macaulay Culkin joins Mark as he unleashes upgraded bait packages full of glitter — and stinky fart spray — to lure potential thieves.

May 25, 2026
How to Escape a Police Sniffing Dog
Season 4Episode 425 min

How to Escape a Police Sniffing Dog

Mark's running for his life while being hunted down by an expert tracking dog. Can he engineer some distractions to throw the dog off her game?

May 25, 2026
Backyard Squirrel Olympics 3.0
Season 4Episode 522 min

Backyard Squirrel Olympics 3.0

Let the games begin! From a high jump to a spinning balance beam, Mark's set up a series of backyard battles for squirrels competing for the Walnut Cup.

May 25, 2026
I Built My Own Space Satellite
Season 4Episode 621 min

I Built My Own Space Satellite

One small step in space, one giant leap for taking a selfie. Mark preps a satellite to snap pics of the Earth photobombing the selfies sent by his fans.

May 25, 2026
I Spent $5M So You Can Go to Space
Season 4Episode 719 min

I Spent $5M So You Can Go to Space

Get ready for liftoff! After three years of work and spending millions of dollars, can Mark ensure his selfie-taking satellite has a successful launch?

May 25, 2026

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