10 September 1974 – 25 March 1975
TV Ratings (USA)
24.8 (No. 10)
Estimated Audience: 16,988,000
24.8 (No. 10)
Estimated Audience: 16,988,000
Episodes Copyright
1974
10 September 1974 – 25 March 1975Episodes Copyright
1974
30 September 1976 – 5 May 1977Episodes Copyright
1976 (1-12, 16, 18) – 1977 (13-15, 17, 19-23)
4 October 1979 – 5 April 1980
24 September 1969 – 11 March 1970Episodes Copyright
1969 (1-19) – 1970 (20-25)

14 September 1971 – 7 March 1972Episodes Copyright
1971 (1-17) – 1972 (18-24)
11 September 1973 – 26 February 1974Episodes Copyright
1973 (1-18) – 1974 (19-24)

1973 Primetime Emmy Awards
Outstanding Drama Series – Continuing (Nominee)
Leonard Freeman (executive producer), Bob Sweeney (producer) and Bill Finnegan (producer)
12 September 1975 – 4 March 1976
15 September 1977 – 4 May 1978Episodes Copyright
1977 (1-16, 18-20) – 1978 (17, 21-24)
20 September 1968 – 19 March 1969
16 September 1970 – 10 March 1971Episodes Copyright
1970 (1-17) – 1971 (18-24)