Specials
April 6, 2010 | 17 Episodes
Season 1
September 19, 1970 | 24 Episodes
Season 2
September 18, 1971 | 24 Episodes
Season 3
September 16, 1972 | 24 Episodes
Season 4
September 15, 1973 | 24 Episodes
Season 5
September 14, 1974 | 24 Episodes
Season 6
September 13, 1975 | 24 Episodes
Season 7
September 25, 1976 | 24 Episodes
