November 12, 1989 Season 0 4 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! February 17, 1970 Season 1 7 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! September 22, 1971 Season 2 7 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! October 01, 1972 Season 3 5 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! October 14, 1973 Season 4 5 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! September 22, 1974 Season 5 9 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! September 21, 1975 Season 6 7 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long! October 24, 1976 Season 7 6 Episodes How to watch?:Please click on the Season List, then select an episode. Wait for the video to load—usually, it doesn't take long!