Seasons
Season 1
38 episodes
1976
Season 2
40 episodes
1977
Season 3
34 episodes
1978
Season 4
39 episodes
1979
Season 5
34 episodes
1980
Season 6
12 episodes
1981
Season 7
1 episodes
1983
Season 8
18 episodes
1992
Season 9
26 episodes
1993
Season 10
15 episodes
1994
Season 11
4 episodes
1995
Season 12
1 episodes
1996
Season 13
1 episodes
2006
Season 14
5 episodes
2007
Season 15
1 episodes
2008
Season 16
1 episodes
2013
Season 17
1 episodes
2014
Season 18
1 episodes
2015