Will takes command of the Sanctuary while Magnus and Druitt search for a critical artifact in London. Knowing that Magnus's only hope for a cure lies in the secret subterranean city, Will ignores her warnings and releases Adam-Hyde in the hope that he will lead them to an access point for Hollow Earth.
Elenco: Amanda Tapping , Christopher Heyerdahl , Robin Dunne , Emilie Ullerup , Ryan Robbins , Jonathon Young , Jim Byrnes , Christopher Heyerdahl , Agam Darshi .