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Season 4 Episodes
7 episodes
1
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!
2
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.
3
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.
4
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?
5
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.
6
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.
7
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?