Sun, Nov 9, 1969
A villain called Hellingworth uses medium Cecil Purley to prove that Marty is indeed a ghost and, posing as an insurance salesman, approaches Jeff for alleged help with robberies in the knowledge that Marty will eavesdrop on the gang and report back to Jeff. This happens but Marty is being used purely as a decoy whilst the gang rob other venues. Eventually Hellingworth decides to get rid of Marty and calls Purley in to exorcise him. For once it is Jeff rushing against time to save Marty rather than the reverse.
Sun, Sep 28, 1969
Hearing Jeff talk to Marty, Marty's wife Jeannie believes he has snapped and he is referred to a psychiatric unit run by Dr. Conrad. Marty goes to visit him and learns that Conrad is a criminal who hypnotizes people into giving him their valuables, but Conrad gets Jeff to tell him about Marty and then erases him from Jeff's memory by using drugs...
Sun, Oct 12, 1969
Marty sees James Howarth being murdered but when Jeff summons the police at Marty's behest Howarth is apparently alive and well. Marty finds out that 'Howarth' and his wife are impostors who have murdered the real James and Karen Howarth and hidden the corpses in the basement. However, when the police come to investigate, the murderers, who are spies out to get a list of all known British agents - have disposed of them and Jeff is discredited. He begins to doubt Marty's sanity and sends him to a ghost expert, Dr. Plevitt, who can actually see him...
Fri, Mar 13, 1970
At the funeral of his friend Caroline Seaton, Marty observes her brother Donald and his wife Cynthia, who seems to be smiling, and he deduces that they have killed Caroline. Jeff is reluctant to investigate so Marty tricks him into visiting the Seaton home, where an attempt is made to kill him. Due to Marty's intervention, he is saved by the real Donald Seaton, who has returned from Australia to find an impostor has taken his name, married his ex-wife - Cynthia - and killed both his father and Caroline for the Seaton estate. The killers throw Jeff down a well but Marty causes two hikers to rescue him and, as the villains are caught and the true Donald takes his inheritance, the partnership of Randall and Hopkirk -Deceased - continues.
Sun, Nov 23, 1969
Marty is confused when Jeff fails to acknowledge him and even more so when he sees Jeff kill Tully, an employee of the Towler Corporation, whose stock market leaks Jeff has been investigating. In fact it is not Jeff but an actor in a mask made to resemble him and in the pay of Laker, the Towler Corporation's general manager, out to make a killing in the market from the information supplied by the real Jeff, who will be disposed of when he has no further purpose. Laker ends up in a room with both Jeffs and about to shoot one. Fortunately Marty hypnotises Sir Oliver, a confused psychiatrist, into leaping into action and saving the real Jeff.
Sun, Oct 19, 1969
The mind-reading act at the theatre goes wrong - the stooge shoots the mind-reader when a real bullet is swapped for the blank. Jeff Randall investigates, and - with the help of Marty - becomes a mind-reader himself, and in the process, clears the fall guy and finds the real villain.
Fri, Feb 6, 1970
Jeff has fallen from a balcony in the line of duty and is in hospital with a broken leg. He is thus a captive audience when Marty comes to visit and regales him with the details of a big case he handled whilst he was alive and Jeff was in Scotland. He was asked by MI5 head Sir Basil Duggan to steal documents from a safe but discovered that 'Sir Basil' was actually a traitor called Brenan, whom he managed to apprehend before he could leave the country. After Marty has gone Jeannie comes in and offers to tell Jeff the same story.
Fri, Feb 20, 1970
Once again Jeff is hired as a fall guy to take the rap for a murder. In this case the guilty parties are Susan Lang and her lover Corder. Susan hires Jeff to tail her two-timing husband Paul, but then Paul gets murdered. Jeff is arrested yet again but released whereupon Susan and Corder abduct him at gunpoint and take him to a quarry to kill him. Fortunately for him, Marty rescues him, having enlisted the aid of other ghosts.
Sun, Dec 7, 1969
Ghost hunter James McAllister asks for Jeff's help, having been hired by wealthy American Kim Wentworth to see if her home, Crake Castle, is haunted. McAllister is killed and it looks as if Kim's husband is the murderer, trying to frighten Kim away so that he can marry girlfriend Laura but it would seem that the butler did it and the butler and Kim are the killers, anxious to run off together. Jeff is their prisoner but fortunately Marty has found a local lady who can see and hear him - in order for him to effect a rescue.
Sun, Dec 28, 1969
Jeannie is approached by a man who claims to be the reincarnation of Marty. He is very convincing and she is eventually taken in - unlike the real Marty. The impostor takes her to a hotel in the Cotswolds where the Hopkirks spent their honeymoon - shadowed by Marty and Jeff - and two other men. It transpires that the trio are robbers who buried their loot in the vicinity but had a car smash involving the Hopkirks. The false Marty lost his memory in the prang and is hoping that Jeannie can lead him to the spoils. Fortunately the real Marty - and Jeff - intervene, with Jeff claiming the reward.