Episode 1 | Death Rumble

Geologist Eric Drummond and Chad Ollinger explore a newly discovered cavern deep underground. Duane finds smoke vents at the Bead Site, and James heads to the Aztec capital in Mexico City.

Episode 2 | The Curse of the Aztecs

Duane recruits treasure hunter Josh Feldman, who recommends a new plan of action to find the Aztec gold. But before they can break ground, a local Timpanogos tribal elder visits the ranch with disturbing words of warning.

Episode 3 | Death Trap

Eric and Chad encounter disaster while attempting to breach the void in the South Cave. A mysterious rumbling shakes the ranch, and James finds evidence of the Aztecs at the Bead Site.

Episode 4 | The Skull

Chad and Eric discover an abandoned mine deep in the mountains and suspect they are being stalked. At the Bead Site, the team unearths evidence of sacrifice.

Episode 5 | Sacrificial Altar

Chad and Eric find signs of gold at the abandoned mine, but nightfall brings an unwanted stalker to their camp. At the Bead Site, the team unearths an ancient structure.

Episode 6 | Disaster at the Bead Site

Disaster strikes when Duane and Charlie attempt to drill down a smoke vent at the Bead Site. Chad and Josh follow the fault line back to the collapsed mine. Eric explores an indigenous site in Ohio that holds clues to Blind Frog R...

Episode 7 | The Aztec Aqueduct

Believing they might have drilled into an Aztec aqueduct at the Bead Site, Duane and James head to Mexico to meet an expert. Chad and Josh trace the underground waterway to a remote lake that might be protecting a secret.

Episode 8 | Underwater Kingdom

A hidden cave entrance below a lake could finally lead the team to the Keyhole Chamber. After training in Florida with the best cave divers in the world, Chad navigates a deadly maze of flooded tunnels and makes a shocking discovery