← Previous Next → 1x09 Sludge Cleaner First Aired: Aug. 30, 2005 on Discovery Channel Summary: Mike Rowe gets dirty as he works with surfboard shaper Matt Barker. Mike masters the art of shaping a surfboard from Styrofoam. And Mike goes underground into a greasy pit of sludge as he joins an environmental company that recycles the gunky grime.

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