Watch CrunchLabs

2025
5 Seasons

At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.

CrunchLabs is a series that ran for 5 seasons (39 episodes) between November 19, 2025 and on

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Seasons

5 4 3 2 1

9. Bed Bugs: The Truth Revealed

September 12, 2026

Mark dives deep into the world of bed bugs to debunk myths, run experiments with experts, and learn what to do to thwart the tiny pests.

8. My Secret Warehouse Tour

September 12, 2026

Take a tour of Mark's super-massive science lab, complete with secret passageways, a giant foam pit and several hidden engineering Easter eggs.

7. Glitter Bomb vs. Porch Pirates 3.0

September 12, 2026

More upgrades. More glitter. More cans of fart spray! Mark turns his holiday tradition way up with enhanced bait packages designed to bust porch pirates.

6. A Wheelchair Like You've Never Seen

September 12, 2026

Inspired by a young fan's resilience, Mark engineers the world's greatest wheelchair with self-balancing wheels, a cupholder and even a disco ball.

5. Candy Thieves vs Rigged Candy Bowl

September 12, 2026

Candy bowl thieves, beware! With Jimmy Kimmel's help, Mark prepares for trick-or-treating porch pirates with his booby traps of silly string and more.

4. Uncovering America's Underwater City

September 12, 2026

Underneath 1.3 billion tons of lake water, Mark uses cutting-edge tech and scanning sensors to reveal the submerged secrets of a lost city.

3. World's Largest Elephant Toothpaste

September 12, 2026

Mark and Science Bob attempt to shatter a world record with a backyard swimming pool -- and trunkloads of giant, overflowing slime foam.

2. 5 Magic Tricks Explained By Science

September 12, 2026

Who knew the secret to magic was diapers?!? Using everyday objects, Mark reveals the mechanics behind magic tricks so you can mesmerize any audience.

1. Engineers vs Pumpkin Carving

September 12, 2026

From flame-breathing... to candy-dispensing! The CrunchLabs crew carves out pumpkin designs with some serious science to impress Mark and take top prize.

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Where to Watch CrunchLabs

CrunchLabs is available for streaming on the website, both individual episodes and full seasons. You can also watch CrunchLabs on demand at Netflix.