Sezon 4
Bölümler
1 Extortion 15 Eyl 1971 2 Million Dollar Buff 22 Eyl 1971 3 The Grandmother 29 Eyl 1971 4 The Sniper 6 Eki 1971 5 The Search 20 Eki 1971 6 The Ferret 27 Eki 1971 7 Truant 3 Kas 1971 8 Ambush 10 Kas 1971 9 Anniversary 17 Kas 1971 10 Day Watch 24 Kas 1971 11 Assassination 8 Ara 1971 12 The Dinosaur 15 Ara 1971 13 Pick-Up 29 Ara 1971 14 Citizens All 5 Oca 1972 15 The Princess and the Pig 12 Oca 1972 16 The Tip 19 Oca 1972 17 The Parole Violator 26 Oca 1972 18 Adoption 2 Şub 1972 19 Mary Hong Loves Tommy Chen 9 Şub 1972 20 Sub-Station 16 Şub 1972 21 Back-Up One L-20 23 Şub 1972 22 Who Won? 1 Mar 1972 23 Eyewitness 8 Mar 1972 24 The Wednesday Warrior 15 Mar 1972