"Rock Bottom" is the 11th episode of Season 2, and the 21st overall. It originally aired on January 20, 2012.
With the return of James Harness, the Hoffman Crew attempts to fix their broken 400 Excavator so they can begin a new pit as their old one ran out of Pay Dirt. Meanwhile, Parker finishes his mining as school approaches, and he relinquishes power back to his grandfather. After a blowout, the Dakota Boys are able to get their needed training and get their mine back open.