Season 4

Stephen Chambers, a new master of Warby Stones school for the 'ultra-intelligent boys', finds strange things happening to him. Reason tells him that they must be linked with the boys' Psychic Phenomena Club.

Eric and Diana Carver move into a new home in the country, but a series of strange events soon cause Diana to suspect the house is haunted by the ghost of a man. A ghost who seems to be interested in her particularly. She was sexually assaulted when she was a schoolgirl and ever since has had a complex about sex and intimacy. When they call in Dr Philmore, a paranormal expert, he suspects that Diana subconsciously wants to the dominated by this supernatural intruder.

Allen Meredith is a brilliant scientist but too mild-mannered to make an impact or fight for the money he needs. He has invented a process to exchange minds between bodies. His ambitious wife Ann persuades him to invite his boss, the domineering Jack Gregory, to their house for dinner. Once there, they drug him and Allen swaps bodies with Jack, then goes back to work to transfer millions into his account. But meanwhile Ann is finding the combination of Jack's masculine personality in Allen's body rather attractive and they begin making their own plans.

Adam Crosse is a reporter for a local paper. A neurotic under-achiever, the last straw comes when he discovers his wife Lydia is having an affair and she coolly tells him she has no intention of either giving up her lover or divorcing Adam. The top crime story of the moment is a serial murderer nicknamed "The Kitchen Killer". Adam sets out to murder his wife and blame it on this shadowy psycho.

The small East Anglian village of Plampton has one distinction - a famous unsolved murder. A cynical journalist decides to go there to see what he can stir up. But Plampton is a community linked by telepathy and led by a witch.

Dr Frank Bowers has been looking forward to returning home after a long stay in a psychiatric ward. But when he gets there, he finds that not only does no one recognize him, but another man called Frank Bowers is living in his place.

A man, Harris, wakes up in a hotel on a small island after a shipwreck. He keeps recognising flashes of what he sees, until he realises his visions are of actions yet to come - culminating in murder.

A team of soldiers break into an enemy missile base. Such is the secrecy of their mission, they have been hypnotically programmed with their orders and will only remember each stage of the operation when they hear a pre-arranged signal. It seems foolproof, but gradually doubt and paranoia begin to overtake them.

The vengeful spirit of a dead motorcyclist is reluctant to leave his wrecked machine and manifests itself to a woman journalist as motorbike noise.

A Middle-aged couple are disturbed during the night by a series of unwelcome visitations.

A chance meeting with an old tramp brings a violent force into a young painter's like.