April 15, 1973
Episode 1 of Season 9 premiered on April 15, 1973
April 22, 1973
Episode 2 of Season 9 premiered on April 22, 1973
April 29, 1973
Episode 3 of Season 9 premiered on April 29, 1973
May 6, 1973
Episode 4 of Season 9 premiered on May 6, 1973
May 13, 1973
Episode 5 of Season 9 premiered on May 13, 1973
May 20, 1973
Episode 6 of Season 9 premiered on May 20, 1973
May 27, 1973
Episode 7 of Season 9 premiered on May 27, 1973
June 6, 1973
Episode 8 of Season 9 premiered on June 6, 1973
June 20, 1973
Episode 9 of Season 9 premiered on June 20, 1973
July 4, 1973
Episode 10 of Season 9 premiered on July 4, 1973
July 18, 1973
Episode 11 of Season 9 premiered on July 18, 1973
August 1, 1973
Episode 12 of Season 9 premiered on August 1, 1973
August 15, 1973
Episode 13 of Season 9 premiered on August 15, 1973
August 29, 1973
Episode 14 of Season 9 premiered on August 29, 1973
September 12, 1973
Episode 15 of Season 9 premiered on September 12, 1973