 Episode 2: "THE HIDDEN DEEP" Producers: Andrew & Liz Wight MYSTERIES OF THE DEEP: East Coast of Australia and Tasmania (Australia) The deep ocean guards its secrets well, allowing only the most highly adapted species to roam its dark corners. Utilising Quest s technologically advanced marine exploration craft, the Wight s uncover a remarkable array of weird and wonderful creatures, remote and mysterious places, such as the unexplained deep Blue Holes of Australia s Great Barrier Reef.