At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.
Where to watch
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Netflix
see all options Availability data: JustWatch
- Seasons
- 5
- Episodes aired
- 33
- Latest aired
- S05E02
- Total runtime
- 8h 44min
Timeline when each season aired
- Season 1 November 2025 7 episodes
- Season 2 January 2026 7 episodes
- Season 3 March 2026 9 episodes
- Season 4 June 2026 7 episodes
- Season 5 September 2026 3 episodes
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S02E01 Acid vs. Lava Destruction Test
January 1 · 21min find the promo
Show synopsis
In a scientific face-off, Mark goes head-to-head with NileRed and Kevin the Backyard Scientist to find out which is more destructive: acid or lava.
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S02E02 Backyard Squirrel Obstacle Course
January 1 · 20min find the promo
Show synopsis
To stop the sneaky squirrels from raiding his bird feeder, Mark builds a challenging eight-part obstacle course in his backyard to try and slow them down.
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S02E03 World's Largest Devil's Toothpaste
January 1 · 22min find the promo
Show synopsis
Mark throws an epic birthday party for a deserving teen, complete with record-breaking devil's toothpaste experiment - the first of its kind.
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S02E04 Beating Carnival Scams With Science
January 1 · 11min find the promo
Show synopsis
Step right up and learn which carnival games are actually winnable and which ones aren't, courtesy of Mark... and a friend from the New York Mets.
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S02E05 My Domino Robot Broke A World Record
January 1 · 14min find the promo
Show synopsis
Mark's robot Dom is really good at setting up dominos. But can he fill a warehouse with a mural made up od more than 100,000 of them in just 24 hours?
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S02E06 Engineers vs. Extreme Hide & Seek
January 1 · 14min find the promo
Show synopsis
Mark has 30 minutes to find all nine product designers hidden inside the CrunchLabs warehouse - and they're allowed to fight back with blasters!
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S02E07 My Experience Building The Mars Rover
January 1 · 16min find the promo
Show synopsis
In honor of the historic Perseverance Mars rover landing, Mark talks to some of his old friends at NASA and suits up to see the actual rover up close.