7.6/10122 votes#1 - The Acorn Syndrome
Season 4 Episode 1 - Aired 9/7/1980
The daughter of a British Government engineer who is working on a defence protect is kidnapped, and the only way she will be safely returned is if he agrees to betray secrets to enemy agents.
Director: Martin Campbell
Writer: John Kruse
6.8/10126 votes#2 - Wild Justice
Season 4 Episode 2 - Aired 9/14/1980
Bodie's mental state is called ino question when he becomes obsessed with a local Hell's Angel motorcycle gang, gradually sending him further and further behind in training. Is he cracking up?
Director: Dennis Abey
Writer: Ranald Graham
7.5/10109 votes#3 - Fugitive
Season 4 Episode 3 - Aired 9/21/1980
A CIA agent is murdered in London, prompting CI5 into launching a fake arms deal with the terrorists who were responsible for the killing. But the gang uncover the plot in time, taking Bodie hostage and using him as their meal ticket to escape the country.
Director: Dennis C. Lewiston
Writer: Gerry O'Hara
7.2/10111 votes#4 - Involvement
Season 4 Episode 4 - Aired 9/28/1980
In the midst of a shoot-out during a drugs smuggling investigation, Doyle meets and falls for Ann Holly, only to discover that CI5 suspect her of being closely linked to the scam herself.
Director: Chris Burt
Writer: Brian Clemens
7.5/10110 votes#5 - Need To Know
Season 4 Episode 5 - Aired 10/5/1980
Cowley finds himself under suspicion when a former colleague of his is arrested for being a double agent. So just how deeply involved is the CI5 Chief?
Director: William Brayne
Writer: Brian Clemens
7.0/10111 votes#6 - Take Away
Season 4 Episode 6 - Aired 10/12/1980
A team of Hong Kong police join CI5 in London to help crack a local heroin supply and protection racket. It's down to Bodie and Doyle to expose a scheme to smuggle drugs to the US by teams of Triads and European agents.
Director: Douglas Camfield
Writer: Roger Marshall
7.4/10121 votes#7 - Black Out
Season 4 Episode 7 - Aired 10/19/1980
CI5 discover that a possible terrorist attack is being planned, and the only clue they have in solving it is a German girl who is found collapsed in a church and suffering from amnesia.
Director: William Brayne
Writer: Brian Clemens
7.0/10117 votes#8 - Blood Sports
Season 4 Episode 8 - Aired 10/26/1980
CI5 move in to protect the daughter of a South American President after his son - and her brother - is assassinated on the field of a polo match.
Director: Phil Meheux
Writer: Gerry O'Hara
7.2/10130 votes#9 - Slush Fund
Season 4 Episode 9 - Aired 11/2/1980
A hitman is employed by a group of East German officials to assassinate a reporter who is planning to publish a report in which their new fighter plane is branded as a potential death-trap.
Director: William Brayne
Writer: Roger Marshall
6.4/10111 votes#10 - The Gun
Season 4 Episode 10 - Aired 11/9/1980
A drug addict is murdered by a pusher who then hastily discards the gun, only for it to be found by a young boy-who then accidently shoots his friend in the process. The pusher then goes in search of the boy in an attempt to retrieve the gun and at the same time has to try to avoid his own people who are in pursuit of him.
Director: Dennis C. Lewiston
Writer: Christopher Wicking
7.3/10105 votes#11 - Hijack
Season 4 Episode 11 - Aired 11/30/1980
Silver bullion is being shipped into Britain via the Iron Curtain, only for it to be hijacked by one of the group's own officials.
Director: Martin Campbell
Writer: Roger Marshall
7.7/10124 votes#12 - Mixed Doubles
Season 4 Episode 12 - Aired 12/7/1980
Bodie and Doyle are undergoing intense training in preparation for an assignment where they are protecting a foreign official...at the same time, two potential killers are receiving similiar training to prepare them for the assassination of the same official.
Director: Roger Tucker
Writer: Brian Clemens
7.6/10129 votes#13 - Weekend in the Country
Season 4 Episode 13 - Aired 12/14/1980
Bodie, Doyle and their latest girlfriends are on a quiet weekend in the country when they unwittingly get caught up at a farmhouse siege in which they must try and escape from a group of gun-toting fugitives.
Director: James Allen
Writer: Gerry O'Hara
7.7/10107 votes#14 - Kickback
Season 4 Episode 14 - Aired 12/20/1980
Bodie and Keller, an old acquaintance from his days in the SAS, go undercover in order to trap a would-be assassin by posing as hitmen offering to do the job themselves - in order to fake the killing. But Keller turns out to have an ulterior motive.
Director: Ian Sharp
Writer: Stephen Lister
7.4/10105 votes#15 - It's Only a Beautiful Picture...
Season 4 Episode 15 - Aired 12/27/1980
Various industrial secrets and highly-valuable arts treasures are being stolen and sold on by a gang who are using the blind routine of Customs to their full advantage. CI5 devise a trap to stop the thieves in their tracks.
Director: Dennis C. Lewiston
Writer: Edmund Ward
The Best Episodes of The Professionals Season 4
Every episode of The Professionals Season 4 ranked from best to worst. Discover the Best Episodes of The Professionals Season 4!
The lives of Bodie and Doyle, top agents for Britain's CI5 (Criminal Intelligence 5), and their controller, George Cowley.
The mandate of CI5 was to...
Genres:Action & AdventureCrimeDrama
Network:ITV1
Season 4 Ratings Summary
"The Acorn Syndrome" is the best rated episode of "The Professionals" season 4. It scored 7.6/10 based on 122 votes. Directed by Martin Campbell and written by John Kruse, it aired on 9/7/1980. This episode is rated 0.8 points higher than the second-best, "Wild Justice".