BBC Earth

S1 E2 Ruby Wax, Mel B and Emily Atack travel off-road through Utah and trek the mountains of Aspen as they investigate the meaning of the American Dream.

S1 E2 — A Mountain To Climb Ash and team push through brutal jungle and treacherous rivers toward Table Mountain, battling wildlife, exhaustion and harsh terrain in a relentless bid for the summit.

S4 E6 — Argentina Robson's adventure concludes as he journeys into the wilderness of Argentina, on the hunt for a peculiar fish called the Pacu.

S2 E4 — Mongolia Simon Reeve embarks on a 3,000-mile journey across the deserts, plains and mountains of Mongolia, in search of snow leopards, and the nomadic people who hunt with golden eagles.

S1 E3 The team enter the Serengeti where lions roam free and danger is always near. With water running out, their final challenge awaits.

S5 E8 A flash flood in Australia leaves a family running scared. In Wisconsin, a woman and her dog risk getting swept under the ice and a tornado forces a man to take cover in Vancouver.

S11 E5 — Going In Circles Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

S2 E4 — Mongolia Simon Reeve embarks on a 3,000-mile journey across the deserts, plains and mountains of Mongolia, in search of snow leopards, and the nomadic people who hunt with golden eagles.

S1 E3 The team enter the Serengeti where lions roam free and danger is always near. With water running out, their final challenge awaits.

S5 E8 A flash flood in Australia leaves a family running scared. In Wisconsin, a woman and her dog risk getting swept under the ice and a tornado forces a man to take cover in Vancouver.

S2 E4 — Mongolia Simon Reeve embarks on a 3,000-mile journey across the deserts, plains and mountains of Mongolia, in search of snow leopards, and the nomadic people who hunt with golden eagles.

S1 E3 The team enter the Serengeti where lions roam free and danger is always near. With water running out, their final challenge awaits.

S5 E8 A flash flood in Australia leaves a family running scared. In Wisconsin, a woman and her dog risk getting swept under the ice and a tornado forces a man to take cover in Vancouver.