March 14, 1971
Episode 1 of Season 13 premiered on March 14, 1971
May 23, 1971
Episode 2 of Season 13 premiered on May 23, 1971
October 10, 1971
Episode 3 of Season 13 premiered on October 10, 1971
October 24, 1971
Episode 4 of Season 13 premiered on October 24, 1971
November 21, 1971
Episode 5 of Season 13 premiered on November 21, 1971
December 5, 1971
Episode 6 of Season 13 premiered on December 5, 1971