Randall and Hopkirk (Deceased)

Concerned for Jeff's mental health Jeannie sends Jeff to Dr. Conrad at the Lambert Clinic where it turns out he is the mastermind of a series of robberies of his patients using hypnotic suggestion, forcing Marty to try to find a way to break Jeff from his control before Jeff has been so severely hypnotized that he loses the ability to see Marty. David Bauer stars.

Two eccentric conmen brothers (The Foster Brothers) who claim to be spiritualists try to convince Jeannie that Marty is haunting her as a poltergeist using electronic equipment

Two enemy agents murder a high British Secret Service official and his wife and pass themselves as their impostors in their own home to steal important documents

When a theatre performer is murdered by a loaded gun during one of his acts Jeff joins the theatre as a mind reader to investigate his murder and hunt down the killer. David Jason appears as Abel

Aristocrat Harold Pargiter and his Lords rob the British vault for a document proving that his family titles and deeds were stolen by King John in the 13th century and his succession to the throne. Starring Ronald Radd

Notorious American crime boss Paul Kirstner travels to London for "business" and hires Randall to take care of his daughter. However his wicked past and his haunting by the 1920s Chicago gangster Bugsy catches up with him.

Knowing about Marty, a crime syndicate, in disguise, hire Jeff to begin surveillance on a gang of criminals (themselves), knowing that he will use Marty. Using an elderly psychic they detect Marty's presence, and deliberately mislead Jeff and the police.

Jeff investigates a diamond theft in which the manager is implicated who threatens Jeff to lie about his investigation. Whilst also investigating a haunting at a country manor in turns out the diamond gang are using it as a hideout. NOTE:- Jeannie Hopkirk, (Annette Andre), does not appear in this episode.

Jeff is hired by a company to find out who is leaking information in the stock market. Finding Jeff suspiciously out of character — and also now being unable to see him — Marty finds out that the real Jeff has been captured and that the fake Jeff is an impostor, using his status to conduct murders of financial personnel. Marty uses a hypnotist to save the day.

Marty's Aunt Clara hires Jeff as a bodyguard for a trip to Monte Carlo where she plans to win £100,000 on her self-devised gambling system. Closely followed and watched by several different gangs they only lose their would-be robbers by Marty manipulating the final game of roulette losing the money