Mark Rober's CrunchLabsSeason 42026 · 7 episodesEpisodes1Moving Train Jump TestTo 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!2Lasers vs. Lightning Destruction TestNow 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.3Glitter Bomb 2.0 vs. Porch PiratesActor Macaulay Culkin joins Mark as he unleashes upgraded bait packages full of glitter — and stinky fart spray — to lure potential thieves.4How to Escape a Police Sniffing DogMark'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?5Backyard Squirrel Olympics 3.0Let 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.6I Built My Own Space SatelliteOne 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.7I Spent $5M So You Can Go to SpaceGet ready for liftoff! After three years of work and spending millions of dollars, can Mark ensure his selfie-taking satellite has a successful launch?Season 1Season 2Season 3Season 5
