S2 E1 • Red Knight, White Knight

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

Première diffusion : 8 janvier 1969

S2 E2 • The Most Promising Girl of Her Year

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

Première diffusion : 15 janvier 1969

S2 E3 • You're Under Starter's Orders

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

Première diffusion : 22 janvier 1969

S2 E4 • Little Bits and Pieces of Love

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

Première diffusion : 29 janvier 1969

S2 E5 • Let's Kill Everybody

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

Première diffusion : 5 février 1969

S2 E6 • Heir Apparent

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

Première diffusion : 12 février 1969

S2 E7 • Land of Light and Peace

Callan must retrieve a microfilm from a spying medium.

Première diffusion : 19 février 1969

S2 E8 • Blackmailers Should Be Discouraged

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

Première diffusion : 26 février 1969

S2 E9 • Death of a Friend

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

Première diffusion : 5 mars 1969

S2 E10 • Jack-on-Top

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.

Première diffusion : 12 mars 1969

S2 E11 • Once a Big Man, Always a Big Man

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.

Première diffusion : 19 mars 1969

S2 E12 • Running Dog

Callan must stop fashist agitators from killing the Chinese Ambassador.

Première diffusion : 26 mars 1969

S2 E13 • The Worst Soldier I Ever Saw

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

Première diffusion : 2 avril 1969

S2 E14 • Nice People Die at Home

Callan brings confusion into a Russian spy network.

Première diffusion : 9 avril 1969

S2 E15 • Death of a Hunter

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.

Première diffusion : 16 avril 1969