As of July 2026, The Professionals Season 1 aired in 1977 with 13 episodes. Full episode guide and where to watch below.
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The Professionals Season 1

1977 13 Episodes Action & Adventure · Crime ⭐ 8/10

The Professionals Season 1 is currently streaming on major platforms, and its case-by-case structure never gets in the way of the bigger story. The 1-season run is exactly the right length for what it is doing. With 47 viewer ratings on TMDB, this is not a title flying under the radar. Lewis Collins anchors it, but the writing does the real work. There is no real reason to keep putting it off.

The Professionals Season 1 is not trying to be everything to everyone, and that focus is exactly what makes it work. The plotting in The Professionals Season 1 is tight enough that the twists feel earned rather than assembled. The first series set the standard for five successful years, milking the dramatic potential of a rich gamut of scenarios, from international espionage to racism and religious evangelism; Bodie and Doyle usually being called upon to protect a controversial figure from the assassin's bullet. Shaw would later dismiss The Professionals for its stereotypical violence and for a long time refused to allow reruns. In fact, as cult television goes, it has weathered well. Lewis Collins and Martin Shaw lead a cast that brings real weight to the material. It was aired in 1977. What distinguishes the best crime dramas from the rest is whether the character work can carry scenes where the mystery takes a breath — The Professionals Season 1 passes that test consistently. It rarely drops the ball, and when it does, it recovers fast.

If you cannot walk away from a good mystery, The Professionals Season 1 will keep you hooked. It does not lean on comparisons to make its case. Best experienced as a single, sustained watch if your schedule allows. Lewis Collins carries scenes that would sink a lesser production. The resolution feels inevitable rather than arbitrary, which is rarer than it sounds.

📡 Where to Watch The Professionals Season 1

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🎬 The Professionals Season 1 — Episode Guide

E1
Private Madness, Public Danger
1977-12-30
Charles Nesbitt, an expert on chemical weapons, threatens to contaminate the water sources of London with a lethal hallucogenic drug and in order to back up his claims, plans several small 'demonstrations' in warning to the local authorities - including CI5.
E2
The Female Factor
1978-01-06
An Iron Curtain agent is using a young girl to extort secrets from, and ultimately destroy the career of, a future British Prime Minister, unaware that the girl is the long-lost daughter of a well-known local prostitute.
E3
Old Dog With New Tricks
1978-01-13
A gangster called Turkel devises a plot to free his brother from jail by taking hostage an important figure in authority. He is unaware, however, that the 'important figure' he has taken in is actually Cowley masquerading as the Home Secretary, with Bodie as his bodyguard and Doyle ready to pull the...
E4
Killer With a Long Arm
1978-01-20
CI5 become aware that an assassination plot on a group of visiting Greek Royals is being planned using a rifle that has a range of over two miles. But they must find out who is the gunman and what is his target - before it is too late.
E5
Heroes
1978-01-27
When a newspaper takes it upon themselves to irresponsibly publish a list of the names of witnesses to an assassination, it is left to CI5 to not only protect these people, but at the same time apprehend the killers before they strike again.
E6
Where the Jungle Ends
1978-02-03
A group of former comrades from Bodie's mercenary days reappear in England and in order to impress a top London gangster, carry out a violent raid on a local bank. It's left to CI5 to catch and stop the ringleader Krivas and his gang, reuniting Bodie with some of his old adversaries in the process.
E7
Close Quarters
1978-02-10
On leave from CI5 with a hand injury, Bodie takes a day trip with his girlfriend and finds himself face-to-face with the leader of a terrorist group. He captures him but then the rest of the gang arrive and trap Bodie and his girlfriend in a nearby vicarage, leaving him unable to alert his colleague...
E8
Everest Was Also Conquered
1978-02-17
A dying man's confession triggers the re-opening of a twenty-year-old case of police corruption, an investigation in which the main prosecution witness was murdered by the police officers who were supposedly trying to protect her. Somebody then decides to silence these officers, and sets about doing...
E9
When the Heat Cools Off
1978-02-24
The daughter of a man inprisoned by Doyle six years ago when he was a Docklands policeman turns up, claiming to have new evidence which will exonerate her father. Doyle reluctantly agrees to reopen the case, but will his budding relationship with the girl cloud his judgement, and make even himself d...
E10
Stake Out
1978-03-03
A CI5 agent is murdered, leading to the discovery of a man who is dying as a result of plutonium poisoning. This links CI5 to a further plot involving the imminent explosion of an A-bomb at the same bowling alley. It's left to Bodie and Doyle to try and de-activate the fuse before it takes them and ...
E11
Long Shot
1978-03-10
CI5 are assigned to protect a visiting American Ambassador from a renowned hitman called Ramos, who is hot on his trail. But after only one apparent assasination attempt at his life, Ramos appears to give up - only for him to turn up again at CI5 HQ itself.
E12
Look After Annie
1978-03-17
Annie Irving, an extreme left-wing preacher - and former flame of Cowley's - becomes the target of a hitman when one of her meetings comes to London. Cowley assigns Bodie and Doyle to protect her, unaware that the would-be hitman is right under his nose.
E13
Klansmen
1978-03-24
Members of a 'Keep Britain White' group go on the rampage in London, attacking the local black residents in an attempt at forcing them to leave the area...but two of the group members have an ulterior motive. Bodie is left seriously injured whilst Doyle joins the group undercover.

🎭 Cast of The Professionals Season 1

Lewis Collins
Lewis Collins
Bodie
Martin Shaw
Martin Shaw
Doyle
Gordon Jackson
Gordon Jackson
George Cowley

📋 All Seasons of The Professionals

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