Four groups of athletes embark on four never-before-accomplished missions.
Episode List
S1 • E1
Into the Void
In Alaska's Glacier Bay National Park, three elite winter athletes attempt a descent on Mount Bertha that has never been snowboarded or skied.
S1 • E2
Raging Torrent
Three accomplished whitewater kayakers set out to be the first group to cross Ecuador's Llanganates National Park via the Chalupas River.
S1 • E3
Reaching for the Sky
Emily Harrington and Adrian Ballinger attempt to accomplish the first individual free climb ascent of a challenging route on Pik Slesova in Kyrgyzstan.
S1 • E4
The Great Unknown
Ian Walsh and Grant "Twiggy" Baker travel to the remote waters of Africa's West Coast to establish it as the next big-wave surf location.