Watch on Soap2day. Pete Walsh is a Tasmanian obsessed with one of nature’s least understood creatures, the platypus: an egg-laying, duck-billed, venom-spined, furry-coated underwater mammal. The natural environment of the platypus is in danger from urban development in the capital city of Hobart. With the help of experts, Pete embarks on a mission to rally his community and save the species before it is too late.