Season 1
Syndication 
, 1971 - 1972
Season 2
Syndication , 1972 - 1973
Season 3
Syndication , 1973 - 1974
Season 4
Syndication , 1974 - 1975
Season 5
Syndication , 1975 - 1976
Season 6
Syndication , 1976 - 1977
Season 7
Syndication , 1977 - 1978
Season 8
Syndication , 1978 - 1979
Season 9
Syndication , 1979 - 1980
Season 10
Syndication , 1980 - 1981
Season 11
Syndication , 1981 - 1982
Season 12
Syndication , 1982 - 1983
Season 13
Syndication , 1983 - 1984
Season 14
Syndication , 1984 - 1985
Season 15
Syndication , 1985 - 1986
Season 16
Syndication , 1986 - 1987
Season 17
Syndication , 1987 - 1988
Season 18
Syndication , 1988 - 1989
Season 19
Syndication , 1989 - 1990
Season 20
Syndication , 1990 - 1991
Season 21
Syndication , 1991 - 1992
Season 22
Syndication , 1992 - 1993
Season 23
Syndication , 1993 - 1994
Season 24
Syndication , 1994 - 1995
Season 25
Syndication , 1995 - 1996
Season 26
Syndication , 1996 - 1997
Season 27
Syndication , 1997 - 1998
Season 28
Syndication , 1998 - 1999
Season 29
Syndication , 1999 - 2000
Season 30
Syndication , 2000 - 2001
Season 31
Syndication , 2001 - 2002
Season 32
Syndication , 2002 - 2003
Season 33
Syndication , 2003 - 2004
Season 34
Syndication , 2004 - 2005