Mark Rober's CrunchLabs
9.7Returning SeriesFamilyDocumentary

Mark Rober's CrunchLabs

At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.

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5. Backyard Squirrel Olympics 3.0

Backyard Squirrel Olympics 3.0
0.0Jun 25, 2026 · 22 min

Let the games begin! From a high jump to a spinning balance beam, Mark's set up a series of backyard battles for squirrels competing for the Walnut Cup.