Steve Backshall ventures into more uncharted territory in pursuit of new discoveries and world firsts. He begins by joining a team of world-class kayakers to head to Kamchatka to take on white-water in a bid to explore a wilderness packed with more brown bears than anywhere else

Steve joins forces with ropes expert Aldo Kane and Saudi Arabian geologists Mahmoud Al-Shanti and Hala Alwagdani to search for the longest lava tube in Arabia

Steve and the team head to remotest Kyrgyzstan in search of snow leopards - if the team can find evidence of the endangered big cat, they could protect the region

Steve heads to the Moukalaba Doudou National Park in Gabon - he wants to discover if this unexplored rainforest could be home to an undiscovered population of chimpanzees

Steve teams up with shark scientist Mauricio Hoyos to discover where shark mothers give birth and to protect a new generation of these ocean giants in the Eastern Pacific

The unseen moments from season 2 of Expedition With Steve Backshall.