February 13, 1972
Episode 1 of Season 6 premiered on February 13, 1972
April 9, 1972
Episode 2 of Season 6 premiered on April 9, 1972
June 4, 1972
Episode 3 of Season 6 premiered on June 4, 1972
September 17, 1972
Episode 4 of Season 6 premiered on September 17, 1972
October 29, 1972
Episode 5 of Season 6 premiered on October 29, 1972