The XYY Man is a 1976–77 British crime thriller television series created by Kenneth Royce, based on his novel series about reformed cat burglar William 'Spider' Scott, recruited by British intelligence for secret missions due to his unique genetic makeup (an extra Y chromosome), which supposedly predisposes him to crime. The plot follows his reluctant work for the secret service and his constant pursuit by the dogged Detective Sergeant George Bulman, leading to spin-offs like Strangers and Bulman.
Episodes
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Spider has bought a half share in a small executive aircraft which he flies with his partner. One of his first customers is an acquaintance from his days of crime. He thinks nothing of it until his best friend is found dead in the Thames.
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Has Riesen become involved with American crime and, if he really has, what impact will this have on Spider?
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Spider is forced to fly up North en route to Russia with a bomb onboard. This turns out to be the decoy at the airport for a half a million pound robbery.
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Narrowly escaping the aeroplane explosion, Spider returns home to find Reisen's body being loaded into a van. Then Bulman turns up to save him from being drowned.
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Spider is invited to sit on a prison enquiry board headed by a rich merchant banker. Bulman and Willis continue dogging his tracks, with Bulman becoming ever more distracted by the need to nick Spider.
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Caught up in a situation beyond his control, Spider finds that Quilter has been murdered and Bucket-Face Smith has vanished. Then he finds something nasty in the study.
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A trail of corpses seems to follow Spider as he attempts to free himself from the situation he's been caught up in.
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Imprisoned, Spider is involved in a conspiracy to spring himself and Norden. They succeed in breaking out of jail and Norden disappears, leaving behind a dead warden.
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Bulman is hot on the trail of Spider, who finds himself in a hostage situation. The body count rises as two detectives are killed.
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Maggie bonds Spider out but, when he is released, he's sought once more to risk his life in order to capture a foreign agent.
