April 21, 1978
Episode 1 of Season 13 premiered on April 21, 1978
April 28, 1978
Episode 2 of Season 13 premiered on April 28, 1978
May 5, 1978
Episode 3 of Season 13 premiered on May 5, 1978
May 12, 1978
Episode 4 of Season 13 premiered on May 12, 1978
May 19, 1978
Episode 5 of Season 13 premiered on May 19, 1978
May 26, 1978
Episode 6 of Season 13 premiered on May 26, 1978
June 2, 1978
Episode 7 of Season 13 premiered on June 2, 1978
June 9, 1978
Episode 8 of Season 13 premiered on June 9, 1978
June 16, 1978
Episode 9 of Season 13 premiered on June 16, 1978
June 23, 1978
Episode 10 of Season 13 premiered on June 23, 1978
June 30, 1978
Episode 11 of Season 13 premiered on June 30, 1978
July 7, 1978
Episode 12 of Season 13 premiered on July 7, 1978
July 14, 1978
Episode 13 of Season 13 premiered on July 14, 1978
July 21, 1978
Episode 14 of Season 13 premiered on July 21, 1978
July 28, 1978
Episode 15 of Season 13 premiered on July 28, 1978
August 4, 1978
Episode 16 of Season 13 premiered on August 4, 1978