The past begins catching up as copycat crimes convinces Superintendent Mullet that Frost's life is in danger.
Frost joins forces with Christine Moorhead during a raid on a dogfight in which a boy is killed.
An unsolved case is reopened when remains are found; a suspected killer is released from prison.
Jack Frost investigates three naked male bodies forming a triangle; a businessman smears the owner of a youth club in order to get the property.
Frost is called when a Denton bus driver and conductor are kidnapped; series of credit card thefts.
Frost is called to investigate when a couple returns from holiday to find the body of a complete stranger in their bed. He also uncovers a crime ring involved in the importation of endangered species.
Sergeant Toolan is seriously injured as he and Frost try to prevent a young man's suicide attempt. A ritualistic murder echoes a previous case -- and when another woman is murdered, it seems as if it's a direct challenge to Frost.
Frost joins a gym; a body is found at a recycling plant; business man is caught in an embarrassing situation.
A man's body is found in Denton canal, and Frost unravels a series of crimes involving blackmail.
Jack investigates the disappearance of a young boy at Denton Football club.
When a security guard is killed at Denton Quarry, Frost discovers the only witness is a young man who claims the killers were aliens from outer space.
A witness to an underworld slaying disappears before she can testify, and Frost tries to find her before a hit man kills her.
Frost connects two previous deaths to his current case.
Frost grows closer to Hartley as the leads in the case begin to link her to the killer.
A woman's body is found on a train at the same time a female surgeon is reported missing; someone makes indecent assaults while impersonating Frost.
A local power-station worker plunges to his death; a detective is murdered on Frost's patch, and the evidence points to police corruption.
Frost goes too far interrogating a drug dealer, then a discovery in the trunk of a stolen car changes the probe's direction.
An old adversary of Frost's (David Jason) becomes a suspect in an attempted armed robbery of a brewery. With Philip Jackson, Paul Brightwell and Peter Egan.
Frost investigates the death of a homeless teenager found beaten and drowned in the Denton River. With David Jason, Cyril Nri and John Lyons.
Frost (David Jason) becomes involved with an investigation into the death of a reclusive art collector. With Bruce Alexander and Caroline Harker.
Frost investigates the armed robbery and later, murder of a pawnbroker and begins to suspect one of the victim's children of the crime.
While investigating a woman's death, Frost is led to believe that the husband was responsible, until a priest reveals a man's confession to him.
Frost releases a serial-assault suspect, then two children are murdered and their mother is reported missing.
Frost investigates a kidnapping after finding a child's body, but is disturbed when he catches the man and has no evidence.
Frost (David Jason) loses a confrontation with the shrewd lawyer for two suspects in a vicious knife attack and is eventually forced to release them.
Frost goes into the sex industry to probe a series of murders.
Frost investigates the death of a young physiotherapist, which leads him to a religious author and pillar of the New Union Church.
Frost ties the death of a young soldier to a gun-smuggling ring and a local drug dealer. With David Jason.
Either the Task Force or her sister's boyfriend may have kidnapped a hard-working woman; meanwhile, Frost's house burns down.
When masked thieves steal a factory payroll, Frost suspects it was an inside job.
When a corpse is pulled from the river, a driver's license is one of the few clues available to solving the case.
Frost's (David Jason) search for the murderer of an animal rights activist leads to a snobbish art gallery.
Frost questions the murder confession of a young man with Down syndrome and attempts to discover the truth.
A rapist is on the loose in Denton, and Frost employs Hazel Wallace to help catch him.
Frost links the death of a young drug addict to an intriguing case of blackmail involving a prominent doctor.
Burglaries at a housing estate with racial problems lead to murder.
Frost fears the presence of a serial killer when a helpless old woman is murdered without motive.
The automobile in a hit-and-run accident is traced to a powerful member of Parliament. David Jason stars.
Mrs. Compton admits she knows the stalker; the bike and newspaper-delivery bag are found.
Detective Inspector Jack Frost (David Jason) is teamed with the chief's nephew (Matt Bardock) to find a missing girl.