Mark Rober Mega Experiments: World's Largest Nerf Crossbow! w/Jesser
Mark & Jesser compete using the world's largest Nerf crossbow!
2025-12-29 17:01:28 +0000 UTC→2025-12-29 17:15:36 +0000 UTC(14m)
Schedule for Mark Rober TV
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Engineers VS
Mark takes on Ninja Kidz in a series of classic mini-game challenges!
2026-01-08 15:09:26 +0000 UTC→2026-01-08 15:20:03 +0000 UTC(10m)
Engineering Payback
Part 5! Porch pirates aren't the only ones who need to fear the Glitterbomb now.
2026-01-08 14:49:17 +0000 UTC→2026-01-08 15:09:26 +0000 UTC(20m)
Engineering For Humanity
Mark explains the science behind grenade blasts. Take his word on this one, don't try this at home.
2026-01-08 14:43:02 +0000 UTC→2026-01-08 14:49:17 +0000 UTC(6m)
Engineers VS
Mark challenges Salish & Jordan Matter to a series of challenges to see who can take home the CrunchLabs Cup!
2026-01-08 14:27:32 +0000 UTC→2026-01-08 14:43:02 +0000 UTC(15m)
Camp CrunchLabs Year 1
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2026-01-08 14:14:00 +0000 UTC→2026-01-08 14:27:32 +0000 UTC(13m)
Camp CrunchLabs Year 1
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2026-01-08 13:57:13 +0000 UTC→2026-01-08 14:14:00 +0000 UTC(16m)
Mark Rober Is Your Favorite Science Teacher
Mark uses everyday objects to see what he can make float in mid-air.
2026-01-08 13:44:11 +0000 UTC→2026-01-08 13:57:13 +0000 UTC(13m)
Amazing Animals
Mark learned the truth about bed bugs and it's time for you to know!
2026-01-08 13:16:55 +0000 UTC→2026-01-08 13:44:11 +0000 UTC(27m)
Engineering Payback
Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.
2026-01-08 13:10:47 +0000 UTC→2026-01-08 13:16:55 +0000 UTC(6m)
Amazing Animals
Mark discovers how difficult it is to trick a dog's sense of smell.
2026-01-08 12:39:41 +0000 UTC→2026-01-08 13:10:47 +0000 UTC(31m)
Mark Rober's Mega Experiments
Mark built a giant, world-record-setting, NERF gun!
2026-01-08 12:33:45 +0000 UTC→2026-01-08 12:39:41 +0000 UTC(5m)
Engineers VS
Has anyone been able to defeat Mark's tennis ball cannon challenge?
2026-01-08 12:25:31 +0000 UTC→2026-01-08 12:33:45 +0000 UTC(8m)
Amazing Animals
Mark tests his pet octopus' survival skills & puzzle-solving abilities
2026-01-08 12:06:29 +0000 UTC→2026-01-08 12:25:31 +0000 UTC(19m)
Engineers VS
Mark challenges Adley to a series of challenges to see who will take home the CrunchLabs Cup!
2026-01-08 11:52:51 +0000 UTC→2026-01-08 12:06:29 +0000 UTC(13m)
Mark Rober Is Your Favorite Science Teacher
Mark shares 5 tricks to help you ace your next egg drop competition.
2026-01-08 11:41:47 +0000 UTC→2026-01-08 11:52:51 +0000 UTC(11m)
Engineering For Humanity
Mark uses 200 wallets to test the honesty of cities across the US & Canada.
2026-01-08 11:32:08 +0000 UTC→2026-01-08 11:41:47 +0000 UTC(9m)
Engineering Payback
Part 4! It's up to Mark to defend the holidays from package thieves, once again.
2026-01-08 11:14:18 +0000 UTC→2026-01-08 11:32:08 +0000 UTC(17m)
Mark Rober's Mega Experiments
Mark built a 7 foot long Super Soaker and set a world record!
2026-01-08 11:04:58 +0000 UTC→2026-01-08 11:14:18 +0000 UTC(9m)
Mark Rober's Mega Experiments
Mark brings everyone's daydream of swimming in jello to life to see if it's actually possible.
2026-01-08 10:52:48 +0000 UTC→2026-01-08 11:04:58 +0000 UTC(12m)
Mark Rober Mega Experiments
Mark built the world's largest Frisbee launcher! Here's how he did it.
2026-01-08 10:41:58 +0000 UTC→2026-01-08 10:52:48 +0000 UTC(10m)
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