April 6, 1977
Episode 1 of Season 1 premiered on April 6, 1977
March 15, 1978
Episode 50 of Season 1 premiered on March 15, 1978
March 22, 1978
Episode 51 of Season 1 premiered on March 22, 1978
June 14, 1978
Episode 63 of Season 1 premiered on June 14, 1978
August 30, 1978
Episode 74 of Season 1 premiered on August 30, 1978
January 17, 1979
Episode 94 of Season 1 premiered on January 17, 1979
June 6, 1979
Episode 114 of Season 1 premiered on June 6, 1979
July 4, 1979
Episode 118 of Season 1 premiered on July 4, 1979
August 8, 1979
Episode 123 of Season 1 premiered on August 8, 1979
March 4, 1981
Episode 200 of Season 1 premiered on March 4, 1981
September 23, 1981
Episode 227 of Season 1 premiered on September 23, 1981
September 11, 1985
Episode 432 of Season 1 premiered on September 11, 1985
October 2, 1985
Episode 435 of Season 1 premiered on October 2, 1985
October 17, 1985
Episode 436 of Season 1 premiered on October 17, 1985
March 26, 1987
Episode 508 of Season 1 premiered on March 26, 1987