A very special story which at last provides a heroic exit for Colin Baker's much-loved Time Lord. Four hour-long episodes, connected by the presence of the Valeyard, the entity that exists between the Doctor's twelfth and final incarnations. THE END OF THE LINE - The Doctor and his latest companion Constance investigate a commuter train that has lost its way...THE RED HOUSE - The Doctor and Charlotte Pollard arrive on a world that is populated by werewolves., STAGE FRIGHT - The Doctor and Flip visit Victorian London, where investigators Jago and Litefoot explore theatrical performances that have echoes of the Doctor's past lives...THE BRINK OF DEATH - The Doctor and Mel face the final confrontation with the Valeyard - and the Doctor must make the ultimate sacrifice. Denied a proper farewell from the Doctor Who TV show, Colin Baker here takes the role anew to show how the Sixth Doctor met his end...New companion Constance Clarke is played by Miranda Raison, a familiar face from British stage and screen including Spooks, Poirot, Merlin, Doctor Who and 24: Live Another Day...India Fisher (Charlie Pollard) is the narrator for BBC's popular Masterchef program. The four stories are from four different periods of the Sixth Doctor's life, each bringing back a popular companion and other friends of the Time Lord...CAST: Colin Baker (The Doctor), Miranda Raison (Constance Clarke), Anthony Howell (Tim Hope), India Fisher (Charlotte Pollard), Michael Jayston (The Valeyard), Lisa Greenwood (Flip), Christopher Benjamin (Henry Jago), Trevor Baxter (George Litefoot), Lisa Bowerman (Ellie Higson), Bonnie Langford (Melanie Bush).