The Watch must trek through the Unreal Estate to destroy the sword in a magical lake.

Cast: Samuel Adewunmi, Matt Berry, Marama Corlett, Richard Dormer, Jo Eaton-Kent, James Fleet, Adam Hugill, Paul Kaye, Munro Lennon-Ritchie, Ruth Madeley, Wendell Pierce, Lara Rossi, Matthew Van Leeve, Joe Vaz