Air date: 2019-07-21

Runtime: 45 min

The naturalist visits uncharted territory in pursuit of new discoveries. He takes on physical challenges and encounters extraordinary wildlife.

Air date: 2019-07-28

Runtime: 45 min

Steve leads an expedition in the Jebel Akhdar mountain range of Oman. With temperatures soaring, dehydration and heat stroke are a constant threat.

Air date: 2019-08-04

Runtime: 45 min

Steve heads to the Himalayas to visit the last unexplored river in Bhutan. Legend has it that at some point, the river drops off the face of the planet.

Air date: 2019-08-11

Runtime: 45 min

Steve and his team are venturing into the heart of Suriname, to kayak an unnamed river that will take the them through a forest unchanged for millions of years.

Air date: 2019-08-18

Runtime: 45 min

Steve and an elite team of rock climbers head to the desert of southern Oman to attempt the first ascent of a towering escarpment.

Air date: 2019-08-25

Runtime: 45 min

The team battle through the jungle into the heart of Indonesian Borneo, to caves holding secrets that could rewrite history.

Air date: 2019-09-01

Runtime: 45 min

Steve and his team of explorers head to Greenland in the Arctic. Kayaking the world's largest fjord, they dodge giant icebergs and hungry polar bears.

Air date: 2019-09-08

Runtime: 45 min

Steve Backshall leads a team into the Yucatán, Mexico on the trail of the ancient Maya. Uncovering sinister secrets and artefacts, they push further into the underworld of the Maya than anyone has gone before.

Air date: 2019-09-15

Runtime: 45 min

Steve leads a team on a mission to climb a remote mountain in the Stauning Alps of Greenland, crossing a vast river and skiing across a glacier.

Air date: 2019-09-22

Runtime: 45 min

Steve leads a team into the largest unexplored cave network on Earth. Below the jungles of Mexico, they push further and deeper than anyone has gone before.