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After hitting a meteorite deep underground while trying to drill into the cavern system, the team searches for an alternate route; while scouring the area, Chad discovers a clue that finally leads to a breakthrough.

Mystery at Blind Frog Ranch

Into the Cavern

While drilling into the cavern system to find the Aztec gold, the team strikes an impenetrable object deep below ground; tests of the site reveal the truth about the Energy Zone and what lies beneath Blind Frog Ranch.

Battle of the Black Rock

Now that the floodwaters have receded at the Energy Zone, the team prepares to resume drilling into the cavern system; Duane takes a stand to remove the poachers from his property; Charlie unearths a deer carcass with unusual bite marks on it.

Back to the Energy Zone

In a dangerous maneuver on the trail of the Lost Rhodes Mine, Chad and Ryan try to rappel down a 250-foot cliff to access the Mormon Eye cave; James suffers a high-altitude health scare; Duane uncovers more poacher sites on the ranch; he intervenes.

Into the Mormon Eye

After uncovering a bar of gold at the Bead Site, Chad and James set out to research where it might have come from; with trespassers still threatening the ranch, their discovery sets them on the path of the fabled Lost Rhodes Mine.

The Mormon Wagon Trail

When an underground tsunami floods the cavern system, Duane and his team attempt to breach it from higher ground -- discovering evidence of Aztec artifacts and a crucial clue to the Lost Rhodes mine.

Aztec Evidence

Searching for the hidden entrance to the cave system, the team uncovers an ancient vent shaft above the Energy Zone, but an explosion triggers an underground tsunami that threatens to flood the cave system.

Underground Tsunami

Duane and Chad Ollinger return to Blind Frog Ranch, armed with tech to unearth $3 billion in hidden treasure; shocking new information on the underground tunnel emerges; claim jumpers invade the property, threatening to derail everything.

$3 Billion Heist

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Locals believe Blind Frog Ranch in eastern Utah is cursed and holding on to treasures; landowner Duane Ollinger is determined to find what is hidden in the seven underground caves on the 160-acre ranch.

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Explore your world with powerful and insightful news and information documentaries from the worlds of science, nature, medicine and outdoor adventure.

S3 E8 | Into the Cavern