Alex and scientist KC take a walk around the fish market in Sandakan where they come across baby sharks and stingrays for sale.
KC explains the importance of sharks to a healthy marine ecosystem and how her research could improve the sustainability of the fishing industry and save sharks and rays.
Alex and the MRF team dive below the waves to collect debris and marvel at the incredible marine life that lives in the reefs
Alex joins scientists Miriam Kunde and Wong Siew Te as they perform a health check on one of Borneo's least studied animals - the Sun Bear
Alex joins zoologist Syasya Jee as she sets out to find and research the feeding habits of Borneo's largest animal - the elephant