February 26, 1977
Episode 1 of Season 20 premiered on February 26, 1977
March 5, 1977
Episode 2 of Season 20 premiered on March 5, 1977
September 30, 1977
Episode 3 of Season 20 premiered on September 30, 1977
October 7, 1977
Episode 4 of Season 20 premiered on October 7, 1977
October 14, 1977
Episode 5 of Season 20 premiered on October 14, 1977
November 5, 1977
Episode 6 of Season 20 premiered on November 5, 1977