Sezon 4
Bölümler
1 The Deadly Conspiracy (II) 19 Eyl 1975 2 Theater of Fear 26 Eyl 1975 3 The Orchid Killer 3 Eki 1975 4 The Price of Terror 10 Eki 1975 5 Honeymoon with Death 17 Eki 1975 6 The Alpha-Bravo War 24 Eki 1975 7 Flight to Danger 31 Eki 1975 8 Double Vengeance 7 Kas 1975 9 Fatal Witness 14 Kas 1975 10 Beware the Dog 21 Kas 1975 11 Blood Relations 28 Kas 1975 12 A Taste for Murder 4 Ara 1975 13 Final Burial 11 Ara 1975 14 Portrait of Evil 18 Ara 1975 15 Dead Heat 1 Oca 1976 16 The Lonely Victims 8 Oca 1976 17 Hostage 15 Oca 1976 18 Silent Vendetta 29 Oca 1976 19 Shadow of Guilt 5 Şub 1976 20 Deadly Reunion 12 Şub 1976 21 Dangerous Gambit 26 Şub 1976 22 Wipeout 4 Mar 1976 23 The Eyes of Terror 11 Mar 1976 24 The Stalking Horse 18 Mar 1976