Frontier Borneo

Five orangutans are being prepared to be released back into the wild, but one of them is not too happy about the plan.

Shark expert David McGuire sets out to move a group of sharks to a new home; activist Alex Yee goes undercover to expose the dark secrets around the trade of turtle eggs.

A team of researchers comes face-to-face with danger as they set out on a treacherous hike to capture footage of Danum Valley's elusive wildlife.

An incoming storm and a recent death of a hiker alarm the participants of the Kinabalu Climbathon on Mount Kinabalu.

Michael struggles with getting the nomadic children of Bajau Laut to attend the new school; Leo manages to free a pangolin, but it disappears into the forest.

Rangers wrangle with a giant crocodile that has taken up residence near a children's playground; in Sabah, reef rangers use dynamite to stop fishers.