January 24, 1964
Episode 1 of Season 12 premiered on January 24, 1964
February 14, 1964
Episode 2 of Season 12 premiered on February 14, 1964
March 6, 1964
Episode 3 of Season 12 premiered on March 6, 1964
April 17, 1964
Episode 4 of Season 12 premiered on April 17, 1964
May 8, 1964
Episode 5 of Season 12 premiered on May 8, 1964
May 29, 1964
Episode 6 of Season 12 premiered on May 29, 1964
June 19, 1964
Episode 7 of Season 12 premiered on June 19, 1964
September 18, 1964
Episode 8 of Season 12 premiered on September 18, 1964
October 3, 1964
Episode 9 of Season 12 premiered on October 3, 1964
October 24, 1964
Episode 10 of Season 12 premiered on October 24, 1964
November 14, 1964
Episode 11 of Season 12 premiered on November 14, 1964
December 5, 1964
Episode 12 of Season 12 premiered on December 5, 1964
December 26, 1964
Episode 13 of Season 12 premiered on December 26, 1964