Grit, Guts & Glory
- Episode aired Apr 27, 2016
A look back at some of the most memorable moments from the fourth season, as the miners deal with harsh conditions, mechanical failures and fierce competition.A look back at some of the most memorable moments from the fourth season, as the miners deal with harsh conditions, mechanical failures and fierce competition.A look back at some of the most memorable moments from the fourth season, as the miners deal with harsh conditions, mechanical failures and fierce competition.