Gold Rush (2010)

S12E5 Crank It Up

Parker intensifies his high-stakes gamble by revving up Sluicifer. Meanwhile, Fred confronts the possibility of closure following an unexpected inspection. In search of fresh opportunities, Brennan accidentally submerges Rick's enormous 475 bulldozer. Later, Todd Hoffman and his team share the story behind their trip to Guyana and the discovery of significant gold deposits.