Sezon 4
Bölümler
1 Kelly's Song 11 Eyl 1974 
2 The Hit Man 18 Eyl 1974 
3 Voice From the Grave 25 Eyl 1974 
4 Lady in Red 2 Eki 1974 
5 The Deadly Trail 16 Eki 1974 
6 The Exchange 23 Eki 1974 
7 The Avenger 30 Eki 1974 
8 A Killing in the Family 6 Kas 1974 
9 Flashpoint 13 Kas 1974 
10 The Man Who Couldn't Forget 20 Kas 1974 
11 The Sounds of Silence 4 Ara 1974 
12 The Prisoner 11 Ara 1974 
13 Daddy's Little Girl 18 Ara 1974 
14 The Conspirators 1 Oca 1975 
15 Coffin Corner 15 Oca 1975 
16 Perfect Fit for a Frame 22 Oca 1975 
17 Killer On the Hill 29 Oca 1975 
18 Missing at FL307 5 Şub 1975 
19 The Set Up 12 Şub 1975 
20 The Investigator 26 Şub 1975 
21 Lady On the Run 5 Mar 1975 
22 Vengeance 12 Mar 1975 
23 Tomorrow Ends at Noon 19 Mar 1975 
24 Search and Destroy 2 Nis 1975