Doctor Who: State of Decay
- Cast: Tom Baker, Lalla Ward, Matthew Waterhouse, John Leeson, Emrys James
- Duration: 100 minutes
- Genre: Action, Adventure, Drama, Science Fiction, TV Movie
- Rating: 8/10
- Release Date: 1980-12-13
Still trapped in E-Space, the Doctor, Romana, Adric and K9 encounter a medieval civilisation dominated by the Three Who Rule, vampires who govern from their mighty castle.
