February 23, 1973
Episode 1 of Season 15 premiered on February 23, 1973
March 23, 1973
Episode 2 of Season 15 premiered on March 23, 1973
April 28, 1973
Episode 3 of Season 15 premiered on April 28, 1973
May 18, 1973
Episode 4 of Season 15 premiered on May 18, 1973
June 22, 1973
Episode 5 of Season 15 premiered on June 22, 1973
August 9, 1973
Episode 6 of Season 15 premiered on August 9, 1973
September 21, 1973
Episode 7 of Season 15 premiered on September 21, 1973
October 19, 1973
Episode 8 of Season 15 premiered on October 19, 1973
November 2, 1973
Episode 9 of Season 15 premiered on November 2, 1973
November 16, 1973
Episode 10 of Season 15 premiered on November 16, 1973