Bering Sea Gold: Under the Ice (2012)

S1E2 Smoke Under Ice

Title: Smoke Beneath the Ice Plot: An electrical blaze at Shamrock prompts a diver to make a hasty ascent. Meanwhile, the novice ice divers from Clark struggle for breath. Over at Lazy Gators, Joe reels in a massive picker, but their progress comes to a screeching stop when a boulder is inadvertently sucked up, causing a blockage in the hose.