Starring Colin Baker as the sixth Doctor and Michael Jayston as the Valeyard! A very special release 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 twelth and final incarnations. The Doctor and his latest companion Constance investigate a commuter train that has lost its way. The Doctor and Charlotte Pollard arrive on a world that is populated by werewolves. The Doctor and Flip visit Victorian London, where investigators Jago and Litefoot explore theatrical performances that have echoes of the Doctor's past lives. And, the Doctor and Mel face the final confrontation with the Valeyard - and the Doctor must make the ultimate sacrifice.