January 01, 1970 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! September 18, 1978 Season 1 22 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 17, 1979 Season 2 24 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! November 01, 1980 Season 3 22 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 07, 1981 Season 4 22 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!