Part 1: This documentary explores Singapore's hidden wilderness - overlooked areas of the island that are home to a variety of fascinating creatures, such as the flying colugo, the wild boar in Pulau Ubin, and the saltwater crocodile and a family of smooth-coated otters in Sungai Buloh. Part 2: There are some other interesting wild creatures in Singapore, such as the elusive Suda Pangolin, the monitor lizard (the largest lizard on the island), and the white bellied sea eagle.