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S04 Episode 1
The Acorn Syndrome
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.
Sun, 7 Sep 1980
S04 Episode 2
Wild Justice
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?
Sun, 14 Sep 1980
S04 Episode 3
Fugitive
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.
Sun, 21 Sep 1980
S04 Episode 4
Involvement
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.
Sun, 28 Sep 1980
S04 Episode 5
Need To Know
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?
Sun, 5 Oct 1980
S04 Episode 6
Take Away
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.
Sun, 12 Oct 1980
S04 Episode 7
Black Out
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.
Sun, 19 Oct 1980
S04 Episode 8
Blood Sports
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.
Sun, 26 Oct 1980
S04 Episode 9
Slush Fund
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.
Sun, 2 Nov 1980
S04 Episode 10
The Gun
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.
Sun, 9 Nov 1980
S04 Episode 11
Hijack
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.
Sun, 30 Nov 1980
S04 Episode 12
Mixed Doubles
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.
Sun, 7 Dec 1980
S04 Episode 13
Weekend in the Country
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.
Sun, 14 Dec 1980
S04 Episode 14
Kickback
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.
Sat, 20 Dec 1980
S04 Episode 15
It's Only a Beautiful Picture...
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.
Sat, 27 Dec 1980
