March 9, 1970
Episode 1 of Season 12 premiered on March 9, 1970
March 30, 1970
Episode 2 of Season 12 premiered on March 30, 1970
May 25, 1970
Episode 3 of Season 12 premiered on May 25, 1970
August 23, 1970
Episode 4 of Season 12 premiered on August 23, 1970
September 14, 1970
Episode 5 of Season 12 premiered on September 14, 1970
October 26, 1970
Episode 6 of Season 12 premiered on October 26, 1970