Desc: Adventures of the Quest: Hidden Deep: Directed by Wes Skiles. With Andrew Wight, Liz Wight. 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.