Colin and his crew make their final preparations in Punta Arenas, Chile for the upcoming expedition across Drake Passage. They meticulously pack the rowboat and conduct a capsize test to ensure the boat is ready for the perilous journey.

The Drake Passage -- where the Atlantic Ocean and Pacific Ocean meet in one of the most notorious and dangerous waterways on the planet. Colin and team hit their first rough waters, while scientists and meteorologists discuss the dangerous mission.

Before setting his sights on Drake Passage, Colin O'Brady made history by becoming the first person to cross Antarctica, unassisted and unaided. He hopes that experience will help him overcome the many dangers and challenges of rowing Drake Passage.

As the crew makes their way off the continental shelf and into rougher waters, we get to know Co-Captain Fiann Paul, who can become the first man to row five oceans. He's known as the “Fastest Ocean Rower” and the “Most Record Breaking Ocean Rower.”

From on board the Braveheart, Jenna tracks incoming strong winds that could derail the expedition. As Colin and the team hunker down to weather the storm, we delve into what made he and Jenna the ambitious and adventurous duo that they are today.

The men struggle to stay focused on an overnight shift. John Peterson is a school principal, with a baby at home - but that won’t stop him. Twenty years of rowing experience has proven he is ready to take on Drake Passage.

The rowers have been unable to row for hours and morale is low. Cameron Bellamy decides to raise everyone’s spirits with a surprise skinny dip. Cameron is one of the few to have completed the “Oceans 7 Challenge”, having swam across seven channels.

Good weather and progress has the team in high spirits as they approach the halfway point of the journey. Having climbed the tallest mountain on every continent, and winning various national championships, Andrew is ready for the challenge.

A few days from the South Shetland Islands, a huge storm hits and almost washes Jamie Douglass-Hamilton into the dark. The grandson of an adventurer, he has rowed his way into record books with a rowing expedition from Australia to Africa.

The rowers spot land and as they approach the continent, an Antarctic wonderland is revealed. Touching ground is both dramatic and emotional as the rowers celebrate their world record achievement.

With the row of Drake Passage in the rearview, Colin, Fiann, Andrew, Cameron, John and Jamie reflect on the team's multiple world-record-setting journey.

With odds stacked against them, a bodyguard, a firefighter and an ultra-fit football coach take on three massive grizzlies in a gauntlet of challenges. As they fight for a place in the finale, each discovers just how badly bears don't like to lose.

Get to know Bart, Honey Bump, and Tank, the grizzly athletes of Man Vs. Bear. Discover how each of the show's challenges is designed around the bear's natural instincts and actions while testing their human competitors' strength, speed, and stamina.

The Wolfpack's quest for complete freedom takes a big step forward with livestock, including a risky 2000lb longhorn bull. Noah and his new wife Rhain Alisha arrive to start making their new life on the mountain with a monumental announcement.

The Wolfpack seizes an opportunity to stockpile meat with their first-ever buffalo hunt. Brothers Noah and Bam are left to build a mine-cooled meat locker and keep the ranch running in anticipation of the family's return.

As bold new predators encroach increasingly closer to the family's ranch, the Browns devise inventive solutions to defend their livestock. Gabe's long-distance girlfriend makes her first, long-anticipated visit to the mountain.