The Doctor and UNIT investigate a deadly infection lurking underneath the Welsh mining town of Llanfairfach. It's an adventure that will change Jo Grant's life forever...

Two brothers pose as women to avoid marrying a mobster's ugly daughter.

A teenager in modern-day Miami finds a magic lantern and out pops a genie, who's been asleep for 200 years and in his gratitude grants the boy several wishes.

Carol Hammond, daughter of a politician, has vivid nightmares involving sex orgies and LSD. In a dream, she murders a neighbor she envies and wakes up to a real investigation into her neighbor's murder.

Life is never dull where Lord Brett Sinclair and Danny Wilde are concerned. But who would expect dire danger, hilarious though it may be, to face them in one of Brett's baronial homes? Even more unexpectedly, murder and black magic take place when Danny decides to own his own little piece of England and buys a tumble down old cottage. The old mansion, Greensleeves, has been in the Sinclair family for generations, but has been unoccupied for a long time except for an aged butler named Moorehead. It is only by chance that Brett discovers that it has been restored without his permission. He and Danny decide to investigate and, entering through a secret tunnel, find a letter addressed to a theatrical agent asking him to an actor who resembles Brett. Brett promptly poses as the actor and gets the job of impersonating himself. Danny and Brett have a lot to overcome before Danny can enjoy his little piece of England!

Investigative reporter Terry Scanlon follows up the strange goings on in Llanfairfach, with interviews with people there at the time, including Professor Clifford Jones and mysterious boss, Stevens.