Season 1
13 episodes
Ringer ~ 1
January 02, 1975
Jackpot ~ 2
January 09, 1975
Thin Ice ~ 3
January 16, 1975
Queen’s Pawn ~ 4
January 23, 1975
Jigsaw ~ 5
January 30, 1975
13 episodes
January 02, 1975
January 09, 1975
January 16, 1975
January 23, 1975
January 30, 1975
13 episodes
September 01, 1975
September 08, 1975
September 15, 1975
September 22, 1975
September 29, 1975
13 episodes
September 06, 1976
September 13, 1976
September 20, 1976
September 27, 1976
October 04, 1976
14 episodes
September 07, 1978
September 14, 1978
September 21, 1978
September 28, 1978
October 05, 1978