The TARDIS brings the Doctor, Romana and K9 to the Rock of Judgement; a court, prison and place of execution built into a rocket-powered asteroid. When involved in an investigation by the system's finest lawman, they find they must seek answers to some disturbing questions. Written By: Gareth Roberts, adapted by John Dorney Directed By: Nicholas Briggs Cast: Tom Baker (The Doctor), Lalla Ward (Romana), John Leeson (K9), Graham Seed (Pyerpoint), Miranda Raison (Margo/Xais), Phil Mulryne (Shom, Hogan, Ogron 6), Marcus Garvey (Frank Spiggot), Michael Troughton (Stokes), James Joyce (Zy, Ogron 5, Barman), Joshua Silver (Charlie Nisbett), John Dorney (Eddie Nisbett/Ogrons), Jane Slavin (Blakemore, Bailiff, Librarian)