January 4, 1972
Episode 1 of Season 20 premiered on January 4, 1972
January 11, 1972
Episode 2 of Season 20 premiered on January 11, 1972
January 18, 1972
Episode 3 of Season 20 premiered on January 18, 1972
January 25, 1972
Episode 4 of Season 20 premiered on January 25, 1972
February 1, 1972
Episode 5 of Season 20 premiered on February 1, 1972
February 8, 1972
Episode 6 of Season 20 premiered on February 8, 1972
February 15, 1972
Episode 7 of Season 20 premiered on February 15, 1972
February 22, 1972
Episode 8 of Season 20 premiered on February 22, 1972
February 29, 1972
Episode 9 of Season 20 premiered on February 29, 1972
March 7, 1972
Episode 10 of Season 20 premiered on March 7, 1972
April 14, 1972
Episode 11 of Season 20 premiered on April 14, 1972