The series ran 13 seasons across 291 episodes and has ended.
Ratings
| Source | Rating |
|---|---|
| TMDB | 6.0/102 votes |
Seasons
| 1 | Season 1 | 24 ep1970 |
| 2 | Season 2 | 49 ep1971 |
| 3 | Season 3 | 32 ep1972 |
| 4 | Season 4 | 34 ep1973 |
| 5 | Season 5 | 30 ep1974 |
| 6 | Season 6 | 9 ep1975 |
| 7 | Season 7 | 2 ep1976 |
| 8 | Season 8 | 14 ep1991 |
| 9 | Season 9 | 16 ep1992 |
| 10 | Season 10 | 23 ep1993 |
| 11 | Season 11 | 29 ep1994 |
| 12 | Season 12 | 22 ep1995 |
| 13 | Season 13 | 7 ep1996 |