April 14, 1978
Episode 1 of Season 13 premiered on April 14, 1978
April 21, 1978
Episode 2 of Season 13 premiered on April 21, 1978
April 28, 1978
Episode 3 of Season 13 premiered on April 28, 1978
May 5, 1978
Episode 4 of Season 13 premiered on May 5, 1978
May 12, 1978
Episode 5 of Season 13 premiered on May 12, 1978
May 19, 1978
Episode 6 of Season 13 premiered on May 19, 1978
May 26, 1978
Episode 7 of Season 13 premiered on May 26, 1978