
Enter The Mammoth Claw. Dustin's crew discovers their equipment is no match for the boulders at Rockfall Ravine, so Wes fabricates a new tool. Fred puts greenhorn Scott to the test. S4, Ep4

Come Hell Or High Water. A late start to the season and record snowfall melt create challenges for the crew. Dustin picks up where he left off as Fred's future lies in the balance. S4, Ep1

Good As Gold. At Porcupine Creek, Fred and Dustin are racing to start their seasons and Dustin's crew is finally ready to send the dredge to the dive site. S4, Ep2

Good As Gold. At Porcupine Creek, Fred and Dustin are racing to start their seasons and Dustin's crew is finally ready to send the dredge to the dive site. S4, Ep2

Swallowed Up. Carlos, Dustin and James battle the most violent rapids they've ever seen. They must engineer a way to slow the rapids down or risk being washed over an 80-foot drop. S4, Ep3

Enter The Mammoth Claw. Dustin's crew discovers their equipment is no match for the boulders at Rockfall Ravine, so Wes fabricates a new tool. Fred puts greenhorn Scott to the test. S4, Ep4

Enter The Mammoth Claw. Dustin's crew discovers their equipment is no match for the boulders at Rockfall Ravine, so Wes fabricates a new tool. Fred puts greenhorn Scott to the test. S4, Ep4

Fistful Of Nuggets. Dustin's risky gamble of investing his life savings pays off after Carlos removes a monster boulder and finds chunky nuggets. Fred and crew battle the Trifecta. S4, Ep5

Rookie Mistakes. Dustin dives deeper than ever and uncovers the largest obstacle of his career. New recruit Scott finally gets the opportunity to prove himself in the water. S4, Ep6

Rookie Mistakes. Dustin dives deeper than ever and uncovers the largest obstacle of his career. New recruit Scott finally gets the opportunity to prove himself in the water. S4, Ep6