- The TARDIS materialises in England in the 1970s and the time travellers meet a girl named Isobel whose uncle, computer scientist Professor Watkins, has recently gone missing. The Doctor offers to help track him down, starting at the place where he last worked - the London HQ of International Electromatics, the world's …
- On a stormy night in Louisiana, six people are haunted by the spirit of a demented slave master with an insatiable erotic appetite, as they stay trapped inside a haunted mansion by a thunderstorm..