Discovery Channel HD

A traveler is caught with blades for cockfighting, a cartel-run blood sport; every year, Mexico grows millions of dollars of flowers for the U.S., but cartels are taking advantage of the influx of shipments during major holidays to stash something extra.

Colorado locals compete in the thin air at Bandimere Speedway and this field has some relatives of familiar faces; the last local standing goes up against Jeff Lutz to see who wins the cash prize and gets to call themselves king of the mountain.

With Dustin M.I.A., the crew take matters into their hands and are hellbent on getting to the gold on Nugget Creek; bad blood between crew members derails the momentum and Mother Nature deals a killer blow, obliterating the creek.

Deep in New Mexico's Chihuahuan Desert, Joe struggles to escape from an abandoned mineshaft; rattlesnake is on the menu.

Joe and Cody are marooned on the banks of the mighty Amazon River and surrounded by an unforgiving jungle.

Stranded in the South African bush, Joe and Cody struggle against deadly predators -- both animal and human.

Beneath the mountains of Romania, Joe and Cody become lost in a labyrinth of underground caves.

Matt and Joe take on an injury that requires medical intervention, while they are caught in a thick jungle.

In the Bolivian Andes, Joe and Matt battle against dehydration and altitude through toxic water and mountain peaks.

The Raneys struggle to revive an inherited Wyoming hill country homestead; to bring water to the property, Marty must solve the mystery of an untapped well; Misty and Matt combine forces on one of their most ambitious builds.

The Raneys bring some homesteading mastery to a Vermont couple; Marty creates viable access through dense terrain; Misty builds an underground garden; Matt bear-proofs the homestead with ingenious builds.

The Raneys face an emotional rescue of young, inexperienced homesteaders in Alabama; to save the legacy of an eighth generation family property, they must use all new ingenuity including a solar kiln, tornado bunker and upcycled predator-proof coop.

In Montana, the Raneys intervene with a family on winter's doorstep; they must scramble to expand their shelter and food storage before being snowed in for good; a surprising revelation in the middle of the rescue threatens to upend the Raneys' plan.

In Montana, the Raneys intervene with a family on winter's doorstep; they must scramble to expand their shelter and food storage before being snowed in for good; a surprising revelation in the middle of the rescue threatens to upend the Raneys' plan.

The Raneys ambush failing homesteads when loved ones intervene.

On a mesa in Arizona, the Raneys step into a homestead and marriage under strain; to secure the family's future, they must pull an ambitious husband away from his years-long, unfinished passion project, and force a hard reset before total collapse.

The Raneys ambush failing homesteads when loved ones intervene.