Season 4
Episodes
1. That'll Be the Day
1972-03-01
Callan is dead. Or so the KGB would have you think.
2. Call Me Sir!
1972-03-08
Lonely is used as bait to retrieve Callan from the KGB.
3. First Refusal
1972-03-15
Callan has become the new Hunter. And his first job is to retrieve a list of British undercover agents.
4. Rules of the Game
1972-03-22
Callan orders Cross to terrorise an innocent Russian family for political reasons.
5. If He Can, So Could I
1972-03-29
Callan looses his position as Hunter when he goes after the assassin who killed Cross.
6. None of Your Business
1972-04-05
The old Hunter returns and Callan tries to get away.
7. Charlie Says It's Goodbye
1972-04-12
Callan tries to quit the Section when a girl he is seeing takes a dislike to his job.
8. I Never Wanted the Job
1972-04-19
Lonely becomes the unlucky witness to a mob hit.
9. The Carrier
1972-04-26
Callan and Lonley break into a courier's house to find out how he's operating.
10. The Contract
1972-05-03
Callan substitutes himself for an assassin in order to prevent an assassination.
11. Call Me Enemy (Richmond File 1)
1972-05-10
Callan debriefs a top enemy defector.
12. Do You Recognise the Woman? (Richmond File 2)
1972-05-17
Richmond, a top enemy defector, reveals his true purpose.
13. A Man Like Me (Richmond File 3)
1972-04-24
Callan tracks down Richmond who is trying to leave Britain.