Mark Rober Is Your Favorite Science Teacher
Mark demonstrates the relative scale of the planets using a host of household objects.
2026-06-13 21:05:16 +0000 UTC→2026-06-13 21:14:34 +0000 UTC(9m)
Live & Upcoming Programmes
Amazing Animals
Mark gives his neighborhood crows the ultimate test of their intelligence.
2026-06-13 20:38:52 +0000 UTC→2026-06-13 21:05:16 +0000 UTC(26m)
Camp CrunchLabs Year 1
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2026-06-13 20:21:59 +0000 UTC→2026-06-13 20:38:52 +0000 UTC(16m)
Engineering Payback
Part 1! Mark makes his first stand against package thieves.
2026-06-13 20:12:38 +0000 UTC→2026-06-13 20:21:59 +0000 UTC(9m)
Amazing Animals
Mark makes the squirrels in his backyard work for a free meal!
2026-06-13 19:48:48 +0000 UTC→2026-06-13 20:12:38 +0000 UTC(23m)
Engineering For Humanity
Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
2026-06-13 19:35:24 +0000 UTC→2026-06-13 19:48:48 +0000 UTC(13m)
Engineering For Humanity
Mark gets introduced to the benefits that alternative protein sources have on the environment.
2026-06-13 19:16:25 +0000 UTC→2026-06-13 19:35:24 +0000 UTC(18m)
Engineering Payback
Mark uses his engineering skills to re-live his childhood Wiffle Ball dreams.
2026-06-13 13:07:52 +0000 UTC→2026-06-13 13:35:41 +0000 UTC(27m)
Engineering Payback
Mark proves it is possible to win "impossible" carnival games with science!
2026-06-13 12:55:09 +0000 UTC→2026-06-13 13:07:52 +0000 UTC(12m)
Mark Rober's Mega Experiments
Mark wanted to know what it would be like to to bounce on a trampoline with 1,500 water balloons, so he built it, filmed it, and put it in slow mo!
2026-06-13 12:49:55 +0000 UTC→2026-06-13 12:55:09 +0000 UTC(5m)
Engineers VS: Mark Rober vs. Preston Battle Royale- CrunchLabs Cup
Mark challenges Preston to a series of challenges to see who can take home the CrunchLabs Cup!
2026-06-13 12:36:09 +0000 UTC→2026-06-13 12:49:55 +0000 UTC(13m)
Mark Rober Mega Experiments
Mark & Jesser compete using the world's largest Nerf crossbow!
2026-06-13 12:22:01 +0000 UTC→2026-06-13 12:36:09 +0000 UTC(14m)
Destructive Science
Part 1! Have you ever wondered if acid can melt things faster than lava can?
2026-06-13 11:57:55 +0000 UTC→2026-06-13 12:22:01 +0000 UTC(24m)
Mark Rober's Mega Experiments
This is Dom he's a friendly little robot that's super good at only one thing setting up a butt ton of dominoes really really fast.
2026-06-13 11:41:55 +0000 UTC→2026-06-13 11:57:55 +0000 UTC(16m)
Mark Rober's Mega Experiments
Can Mark safely drop an egg from space without it cracking from the fall?
2026-06-13 11:09:19 +0000 UTC→2026-06-13 11:41:55 +0000 UTC(32m)
Camp CrunchLabs Year 1
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2026-06-13 10:47:01 +0000 UTC→2026-06-13 11:09:19 +0000 UTC(22m)
Mark Rober's Mega Experiments
Mark sets out to discover if someone would sink or float if they swam in a pool filled with water balls.
2026-06-13 10:39:56 +0000 UTC→2026-06-13 10:47:01 +0000 UTC(7m)
Engineering For Humanity
Mark explains the science behind grenade blasts. Take his word on this one, don't try this at home.
2026-06-13 10:33:41 +0000 UTC→2026-06-13 10:39:56 +0000 UTC(6m)
Mark Rober Mega Experiments
Mark built the world's largest coin spinner! Here's how he did it.
2026-06-13 10:22:05 +0000 UTC→2026-06-13 10:33:41 +0000 UTC(11m)
Engineering For Humanity
Mark got introduced to one of the most advanced wheelchairs in the world.
2026-06-13 10:03:27 +0000 UTC→2026-06-13 10:22:05 +0000 UTC(18m)