Overview
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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4 - 1Moving Train Jump Test June 25, 2026 -
4 - 2Lasers vs. Lightning Destruction Test June 25, 2026
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4 - 3Glitter Bomb 2.0 vs. Porch Pirates June 25, 2026
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4 - 4How to Escape a Police Sniffing Dog June 25, 2026
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4 - 5Backyard Squirrel Olympics 3.0 June 25, 2026
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4 - 6I Built My Own Space Satellite June 25, 2026
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4 - 7I Spent $5M So You Can Go to Space June 25, 2026