Air date: 1969-01-08

Runtime: 50 min

The Section's new Hunter has Callan pulled from the field.

Air date: 1969-01-15

Runtime: 50 min

Callan must prove that a young biochemist is not giving information to the East.

Air date: 1969-01-22

Runtime: 50 min

Callan apparently turns renegade. A ruse to trap the head of a ‘pipeline' for smuggling foreign agents and defectors out of the country.

Air date: 1969-01-29

Runtime: 50 min

Callan must use the wife of a rocket scientist as bait to lure the same scientist to Britain.

Air date: 1969-02-05

Runtime: 50 min

A freelance German mercenary organisation who specialise in eliminating foreign security sections have their sights set on the Section.

Air date: 1969-02-12

Runtime: 50 min

After Hunter's death Meres and Calln must fetch the new Hunter from East Germany.

Air date: 1969-02-19

Runtime: 50 min

Callan must retrieve a microfilm from a spying medium.

Air date: 1969-02-26

Runtime: 50 min

Calln must find everything out about the past of an influential politician.

Air date: 1969-03-05

Runtime: 50 min

The French O.A.S. carry an internal war into England. Callan and Meres must sort out the mess.

Air date: 1969-03-12

Runtime: 50 min

Callan and Meres must catch the controller of a ring of spies before he can leave the country with the information the ring has gathered.

Air date: 1969-03-19

Runtime: 50 min

Callan and Meres must secure the safe of a ship that was sunk during World War Two. It contains a list of Third Reich collaborateurs and puppets. A survivor of the ship tries to stop them.

Air date: 1969-03-26

Runtime: 50 min

Callan must stop fashist agitators from killing the Chinese Ambassador.

Air date: 1969-04-02

Runtime: 50 min

Security wants a retired brigadier of the British army to be stopped from accepting a job offer from a sultan, deadly force is requested.

Air date: 1969-04-09

Runtime: 50 min

Callan brings confusion into a Russian spy network.

Air date: 1969-04-16

Runtime: 50 min

Callan in brainwashed into believing that Hunter is the leak in the Section and that he has also killed Lonely and framed Callan for murder. In his drugged state Callan kills Hunter and is shot down by Meres.