Episode Detail: Trapped - Sir Arthur Conan Doyle's The Lost World
An explosion leaves Marguerite and Roxton trapped underground and only an amnesiac Challenger can save them. At the tree house, Veronica finds a memento from her childhood while playing a game with Finn. Veronica: Jennifer O'Dell. Marguerite: Rachel Blakely. Roxton: Will Snow. Finn: Lara Cox. Challenger: Peter McCauley.