January 17, 1978
Episode 1 of Season 18 premiered on January 17, 1978
February 14, 1978
Episode 2 of Season 18 premiered on February 14, 1978
April 11, 1978
Episode 3 of Season 18 premiered on April 11, 1978
May 9, 1978
Episode 4 of Season 18 premiered on May 9, 1978
June 6, 1978
Episode 5 of Season 18 premiered on June 6, 1978
July 4, 1978
Episode 6 of Season 18 premiered on July 4, 1978
August 1, 1978
Episode 7 of Season 18 premiered on August 1, 1978
August 29, 1978
Episode 8 of Season 18 premiered on August 29, 1978
September 26, 1978
Episode 9 of Season 18 premiered on September 26, 1978
October 24, 1978
Episode 10 of Season 18 premiered on October 24, 1978
November 21, 1978
Episode 11 of Season 18 premiered on November 21, 1978
December 19, 1978
Episode 12 of Season 18 premiered on December 19, 1978