January 28, 1968
Episode 1 of Season 6 premiered on January 28, 1968
March 24, 1968
Episode 2 of Season 6 premiered on March 24, 1968
May 19, 1968
Episode 3 of Season 6 premiered on May 19, 1968
September 8, 1968
Episode 4 of Season 6 premiered on September 8, 1968
November 3, 1968
Episode 5 of Season 6 premiered on November 3, 1968
December 8, 1968
Episode 6 of Season 6 premiered on December 8, 1968