Has the late Dr Marlow's proposed radar-jamming system been tested against British defences? If so, the dead scientist seems to be doing it from his grave. And what's the connection with the local hospital's bizarre operations and a train-crazy philanthropist?

A vastly strong, bullet-proof killer homes in on and destroys several electronics executives. Could it have something to do with Dr. Armstrong's automated work place? Or with the activities of a nearby karate school...

Following a motor crash, Steed and Emma explore the seemingly deserted RAF Hamelin, where they were heading for a party to celebrate the base's closure. Is this surreal landscape all a dream, or is it something worse?

According to Steed's double-agent barber, one of three military men is a traitor. But which one? To find out, Steed becomes a butler, and Emma starts Operation Fascination to trap the woman-hungry Group Captain Miles.

Emma inherits some property from her deceased Uncle Jack. The property is a very bizaarre house, and when Emma goes to inspect it, she finds herself trapped in a labyrinth of psychological torture.

Is a creature that can walk up walls clawing to death ruthless and powerful men? Does it have anything to do with Professor Poole's invention of boots that let you walk on the ceiling, or with cartoon superhero the Winged Avenger?

When representatives of the two organizations head to a country church to investigate the sudden reappearance of a man long thought dead, Steed and Emma are called in to help. It isn't long, of course, before murder rears its ugly head.

An unfortunate motorist keeps knocking down and killing the same man: a man who's rampaging through the countryside, bulletproof and intent on destruction. A man who just happens to be identical to the urbane Professor Frank N. Stone.

Three Hollywood veterans, led by an insane director, decide that Emma would be perfect for their latest movie, so they kidnap her and film some surreal and deadly footage.

When one of the Floral Network of agents is found dead atop a pair of stilts, Steed and Emma's interest is piqued. That's the idea, because foreign agents Basil and Lola have a trap prepared for them: a machine that swaps their minds into the pair's bodies.

A missing briefcase full of secrets propels Steed and Emma into a treasure hunt by car.

When a scientist is found embedded in a wall, Steed and Emma pursue a man in make-up and wellies, whose appearance is terribly shocking.

Emma's old friend, Paul Croft, returns from abroad to retire to Little Storping-in-the Swurf. Unfortunately, the village seems to be run along very strange lines. Threatened by yokels, Emma finds herself outnumbered.

When Sir Gerald Bancroft and his Rolls-Royce vanish whilst being escorted at a military base, Steed is called upon to solve the puzzle. But before he can he experiences that old shrinking feeling.

The sudden deaths of several of Steed's former army colleagues are revealed to be part of an elaborate engine of destruction, devised by a man court-martialled by them all. And now he is playing a deadly game.

The leaking of secrets at Carmadoc Research Establishment throws suspicion on to Steed, who must suffer the torment of house arrest while Tara goes in with a new partner.

Steed, attempting to capture super-spy Merlin, is knocked out by a sleeping capsule, and wakes to find London deserted and under martial law. Firing squads are at large, and a nuclear bomb is holding the government to ransom.

Steed's colleague Sean Mortimer comes to see him in a very confused state. He knows there is a traitor in the organization but he has been drugged to put him in an amnesiac state and he can remember little else. Mrs. Peel investigates but she too falls prey to the drug as she and Sean are abducted by bikers. It is down to trainee agent 69, Tara King, to whom Steed is introduced by spymaster 'Mother' to help him save the day.

Several notorious criminals have vanished into thin air. A whisper has been received that the escape chain starts in London, but, when agent Paxton follows it, he winds up dead in the Thames with a 300-year-old bullet in him.

Steed is entrusted with the safe-keeping of a new fuel formula when its inventor is found in a coma. The scientist had been involved in a black magic circle which leads Steed and Cathy into the world of hexes and magic powers.

Why have all the fish vanished from the Scottish coastline? Does it have anything to do with a dead frogman, found stretched as if on a rack? Steed and Emma think so, which is why they're guests of Ian, the 35th Laird of Clan De'ath, and in danger of being caught by the gillies.

A poacher drowns in a field during a freak storm, and Jonah, the village carpenter, starts building an ark. But Steed thinks it's all got more to do with the permanent cloud that hangs over Grannie Gregson's Glorious Grog factory.

Foreign agents are being killed, but not by British agents. Steed thinks it terribly unfair, and so does his opposite number, Nutski. They make an arrangement, and Steed and Emma find themselves with Soviet partners in an investigation of a group of very British killers.

Steed is invited to a party, and finds himself trapped in a remote-controlled aircraft, with six fancy-dressed specialists in various combat styles, en route to a distant island. There, they are pitted against each other in a deadly test.

Problems of a secret leakage from Cypher HQ and the disappearance of agent Jarret are first handed to rival Department MII2, and then to Mother's group. But why does everybody at Cypher HQ claim never to have seen Jarret and state that the only thing worthy of note that happened yesterday was that it rained?