Destructive Science: World's Tallest Elephant Toothpaste Volcano
Mark attempts to beat a world record, and surprise a very special fan!
2025-12-26 07:44:01 +0000 UTC→2025-12-26 08:03:40 +0000 UTC(19m)
Live & Upcoming Programmes
Camp CrunchLabs Year 1
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2025-12-26 07:27:01 +0000 UTC→2025-12-26 07:44:01 +0000 UTC(17m)
Camp CrunchLabs Year 1
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2025-12-26 07:13:29 +0000 UTC→2025-12-26 07:27:01 +0000 UTC(13m)
Mark Rober's Mega Experiments
Can Mark safely drop an egg from space without it cracking from the fall?
2025-12-26 06:40:53 +0000 UTC→2025-12-26 07:13:29 +0000 UTC(32m)
Engineers VS
The CrunchLabs team competes to see who can carve & engineer the most impressive jack-o'-lantern
2025-12-26 06:20:03 +0000 UTC→2025-12-26 06:40:53 +0000 UTC(20m)
Amazing Animals
Mark gives his neighborhood crows the ultimate test of their intelligence.
2025-12-26 05:53:39 +0000 UTC→2025-12-26 06:20:03 +0000 UTC(26m)
Mark Rober Is Your Favorite Science Teacher
Mark shares 7 tips and tricks to take your Pinewood Derby car to the next level.
2025-12-26 05:36:00 +0000 UTC→2025-12-26 05:53:39 +0000 UTC(17m)
Mark Rober's Mega Experiments
Mark built a dartboard that makes it impossible to miss!
2025-12-26 05:29:07 +0000 UTC→2025-12-26 05:36:00 +0000 UTC(6m)
Mark Rober's Mega Experiments
Mark's built a lot of things at CrunchLabs, and these are 10 of his favorites.
2025-12-26 05:08:01 +0000 UTC→2025-12-26 05:29:07 +0000 UTC(21m)
Amazing Animals
Can Mark's squirrels beat his upgraded obstacle course?
2025-12-26 04:41:17 +0000 UTC→2025-12-26 05:08:01 +0000 UTC(26m)
Mark Rober Is Your Favorite Science Teacher
Mark walks you through 10 of his favorite science fair experiments.
2025-12-26 04:27:51 +0000 UTC→2025-12-26 04:41:17 +0000 UTC(13m)
Engineering For Humanity: How to Survive a Grenade Blast
Mark explains the science behind grenade blasts. Take his word on this one, don't try this at home.
2025-12-26 04:21:36 +0000 UTC→2025-12-26 04:27:51 +0000 UTC(6m)
Mark Rober Is Your Favorite Science Teacher
Mark's here to help you win your next Moustrap Car race.
2025-12-26 04:05:41 +0000 UTC→2025-12-26 04:21:36 +0000 UTC(15m)
Mark Rober Is Your Favorite Science Teacher
Mark uses everyday objects to see what he can make float in mid-air.
2025-12-25 22:06:22 +0000 UTC→2025-12-25 22:19:24 +0000 UTC(13m)
Mark Rober Mega Experiments: World's Largest Coin Spinner
Mark built the world's largest coin spinner! Here's how he did it.
2025-12-25 21:54:46 +0000 UTC→2025-12-25 22:06:22 +0000 UTC(11m)
Engineering Payback
Mark proves it is possible to win "impossible" carnival games with science!
2025-12-25 21:42:03 +0000 UTC→2025-12-25 21:54:46 +0000 UTC(12m)
Engineers VS
The CrunchLabs team discovers the best way to feed Mark hands-free.
2025-12-25 21:28:01 +0000 UTC→2025-12-25 21:42:03 +0000 UTC(14m)
Destructive Science
The grand finale! Are lasers really the most destructive thing Mark can get his hands on?
2025-12-25 20:53:31 +0000 UTC→2025-12-25 21:28:01 +0000 UTC(34m)
Mark Rober's Mega Experiments
Mark built a giant, world-record-setting, NERF gun!
2025-12-25 20:47:35 +0000 UTC→2025-12-25 20:53:31 +0000 UTC(5m)
Destructive Science
Mark challenges Colin Furze to a competition that brings Splatoon into the real world.
2025-12-25 20:42:05 +0000 UTC→2025-12-25 20:47:35 +0000 UTC(5m)