Regan and Carter go after Billy Medhurst, implicated in a robbery that resulted in a policeman being shot and crippled. But is the past clouding Regan's judgement?

Regan and Carter go undercover to assess corruption charges made against CID officers.

Regan tries to help out the son of a friend when the lad is implicated in an assault.

Regan and Carter are confronted by a newsman with information on an unsolved robbery. And why are the pair being photographed ?

An informant of Regan’s tells him about a hijack involving a lorryload of cigarettes where he will be the look-out man. But can Regan trust his snout?

Regan's snout is abducted after passing on information about a switch of some stolen diamonds. Regan and Carter must catch the villains while protecting their source.

Regan and Carter are called to a siege at a bank, where two armed robbers are holding hostages.

Regan and Carter get caught up in a plot to prevent a foreign head of state from getting his hands on an experimental drug to treat his heart condition.

It’s unclear whether a beautiful crime reporter is involved with a criminal gang or just a catspaw.

Giles Nunn and Carrie Selhurst are an upper crust couple who, partly for kicks and for the profits, commit highway robbery in lonely country lanes, along with the lower class boy Tommy Garret, whose dad is a friend of George Carter. Regan is on to them and Carrie gets arrested, but her unwillingness to cooperate leads to the death of the next victim.

When a gang hijack an armoured security truck, Regan, Carter and the Flying Squad set up an ambush to catch the crooks. But who's the informer ?

Regan loses his patience with a thug he is questioning about a wages snatch, and soon the press are sniffing round for a police brutality story.

A case of mistaken identity provides tragic circumstances when a hit goes wrong; Regan and Carter manage to break the hit-and-run ring, and then try to stop another accident.

Chief Inspector Haskins is framed for corruption while Regan and Carter investigate a spate of break-ins. Is there a connection ?

Regan and Carter are called in when alarm bells start ringing all over their patch. Who is setting them off - and why?

Regan gets involved in a secret government deal, thanks to Shebbeq, a Turkish cop.

How will new recruit Bob Hargreaves cope with an investigation into a violent burglary?

Regan gets involved in gangland warfare following the death of one of London’s leading villains.

Regan must find the source of illegal guns that are flooding the market.

Regan knows the identity of a robber, but has a difficult time proving his guilt.

Regan clashes with an arrogant police superintendent when a crime kingpin is allowed to leave the country and go to France.

A rich gynaecologist is attacked by a gang of villains who rob him of his suitcase.

The Sweeney get incorrect information from informants, allowing a gang of villains to make off with some contraband alcohol.

Regan is convinced that Eddie Boyse, a recently released career criminal, is responsible for a robbery, but Boyse was with Regan when the crime occurred.

The Smith Brothers, a vicious group of mobsters, abandon their usual strong-arm tactics to run a parking ticket scam at a car park.