Dirty Jobs - Season 6 (2010)

Mike goes to Sault Sainte Marie, Michigan to help maintain the Soo Locks that allow ships to pass between Lake Superior and Lake Huron. The locks are busy in the summer so Mike has to work on them in the winter when it's cold and wet and icy and dirty but especially cold.

For the latest in home furnishings Mike visits a company that molds concrete. While there he helps build a fire pit, counter top and a bathtub, all from concrete. Mike has fun with their vibrating table but he really goes wild when he gets his hands on their forklift.

Mike travels to Michigan where he gets downright filthy working at a bone black plant. Then he meets with twin sisters who are big fans of the show to discuss the top five dirtiest jobs Mike has ever done.

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Mike visits a Jelly Belly factory and helps create a new flavor. Mike also harvests blueberries, and then helps make some blueberry pies.