February 28, 1974
Episode 1 of Season 12 premiered on February 28, 1974
April 18, 1974
Episode 2 of Season 12 premiered on April 18, 1974
July 18, 1974
Episode 3 of Season 12 premiered on July 18, 1974
August 8, 1974
Episode 4 of Season 12 premiered on August 8, 1974
September 12, 1974
Episode 5 of Season 12 premiered on September 12, 1974
November 7, 1974
Episode 6 of Season 12 premiered on November 7, 1974
December 5, 1974
Episode 7 of Season 12 premiered on December 5, 1974