At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.
Seasons and episodes
4 seasons · 24 episodes
4
S4 E1Moving Train Jump Test
Jun 25, 202618 min
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!
S4 E2Lasers vs. Lightning Destruction Test
Jun 25, 202628 min
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.
S4 E3Glitter Bomb 2.0 vs. Porch Pirates
Jun 25, 202616 min
Actor Macaulay Culkin joins Mark as he unleashes upgraded bait packages full of glitter — and stinky fart spray — to lure potential thieves.
S4 E4How to Escape a Police Sniffing Dog
Jun 25, 202625 min
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?
S4 E5Backyard Squirrel Olympics 3.0
Jun 25, 202622 min
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.
S4 E6I Built My Own Space Satellite
Jun 25, 202621 min
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.
Starring
Frequently asked questions
- Where can I watch Mark Rober's CrunchLabs?
- Mark Rober's CrunchLabs is streaming on Netflix. Availability is refreshed weekly.
- How many seasons of Mark Rober's CrunchLabs are there?
- Mark Rober's CrunchLabs has 4 seasons and 24 episodes. Status: Returning.
- When is the next season of Mark Rober's CrunchLabs?
- No air date has been announced for the next episode of Mark Rober's CrunchLabs. Status: Returning. The latest episode aired on June 25, 2026.
- Who stars in Mark Rober's CrunchLabs?
- Mark Rober's CrunchLabs stars Mark Rober.
