Season 4 · Episode 1 of 7
Aired Jun 25, 2026
Moving Train Jump Test
Thu, Jun 25, 2026
0 of 7 watched this season
To answer an assortment of science puzzles, Mark takes his experiments to the next level — on top of a moving train and up high in a hot air balloon!
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Airs
Thu, Jun 25, 2026
Show
Mark Rober's CrunchLabs
31 episodes
Episode
S4 · E1
in Mark Rober's CrunchLabs