January 6, 1975
Episode 1 of Season 15 premiered on January 6, 1975
February 3, 1975
Episode 2 of Season 15 premiered on February 3, 1975
March 10, 1975
Episode 3 of Season 15 premiered on March 10, 1975
April 14, 1975
Episode 4 of Season 15 premiered on April 14, 1975
May 15, 1975
Episode 5 of Season 15 premiered on May 15, 1975
June 16, 1975
Episode 6 of Season 15 premiered on June 16, 1975
July 14, 1975
Episode 7 of Season 15 premiered on July 14, 1975
August 11, 1975
Episode 8 of Season 15 premiered on August 11, 1975
September 8, 1975
Episode 9 of Season 15 premiered on September 8, 1975
October 6, 1975
Episode 10 of Season 15 premiered on October 6, 1975
November 3, 1975
Episode 11 of Season 15 premiered on November 3, 1975
December 1, 1975
Episode 12 of Season 15 premiered on December 1, 1975