5x1 - Recovery

September 11, 1969

DC Morgan receives information that a big art robbery will take place. The squad acts... but so does the thief.

5x2 - Flash Point

September 18, 1969

Barlow is enjoying a pint at the pub when Watt's girl friend, Dr. Jean Morrow, tells him about an old lady who has been brutally attacked for the sake of a few pounds. Jean's story shocks Barlow into involving the squad in immediate action.

5x3 - In At the Death

September 25, 1969

When the head of a successful firm dies there is always someone waiting to step into his shoes. In this case the dead man's business venture is believed to be crooked and DS Hawkins is closely concerned as to who will fill his place.

5x4 - Error of Judgement

October 2, 1969

A race meeting at Chepstow; and incompetent amateur pilot; a lonely field near Wyvern; why is Barlow interested in these three things? Who is it that Barlow wants to set a trap for? The answer lies in unfinished business from Barlow's past. Will he ever complete it?

5x5 - Dead Aboard

October 9, 1969

A prostitute is found murdered in a quiet backwater quay at Wyvern. Who is the killer? Barlow and his team make every effort to find out.

5x6 - One Thing Leads To Another

October 16, 1969

When Harry Hawkins and Barbara Allin visit a gambling joint it is not just for the purpose of spending their own money. Their main interest is in the easy money that flows, and the club owner, Dino Frankitt, who has the reputation of making HIS easy money in devious ways.

5x7 - General Post

October 23, 1969

When a crime occurs on the doorstep of Headquarters the local force thinks it's funny. But Barlow is not amused. He is aware the incident could be a prelude to a much bigger crime - but what? And why is John Watt even less amused than Barlow?

5x8 - Wild Goose

October 30, 1969

What is a criminal like Jack Carter doing in Wyvern? Barlow hopes to find out by surveillance and is furious when Digby inadvertently makes the squad's interest apparent.

5x9 - We Shall Miss You

November 6, 1969

Barlow and watt travel to Thamesford and back - but not together - in pursuit of important changes in their careers. While they wait to hear the results of their journeys they join forces again in pursuit of one more criminal.

5x10 - Write Off

November 13, 1969

Why is DS Allin so interested in the leisure activities of the elite of Wyvern? And why does a car involved in a minor accident unaccountably burst into flames? The subsequent enquiries are not to Watt's liking.

5x11 - Arrival

November 20, 1969

Barlow's first day at Thamesford is rounded off with a telephone call that involves him in his first major investigation as head of C.I.D.

5x12 - Exercise

November 27, 1969

5x13 - Diversion

December 4, 1969

Routine enquiries into a series of minor break-ins become a major hunt for a dangerous criminal.

5x14 - The Spoilt Ones

December 11, 1969

5x15 - To Protect The Innocent

December 18, 1969

5x16 - Any Other Night

January 1, 1970

5x17 - The Aggro Boy

January 8, 1970

5x18 - Standing Orders

January 15, 1970

5x19 - Private Mischief

January 22, 1970

A worried barman asks John Watt why a detective constable is asking questions about him. Watt makes some alarming discoveries about the constable in question.

5x20 - Open And Shut

January 29, 1970

5x21 - Sprats And Mackerels

February 5, 1970

A whisper from the north of England leads the Task Force to Eastcote Docks. A domestic dispute takes them to the nearby caravan site at Bathgate. But what is the link between the two incidents?

5x23 - Power Of The Press

February 19, 1970

5x24 - Trust A Woman

February 26, 1970

5x25 - The Hermit

March 5, 1970

5x26 - Escort

March 12, 1970