January 13, 1964
Episode 1 of Season 4 premiered on January 13, 1964
January 27, 1964
Episode 2 of Season 4 premiered on January 27, 1964
February 17, 1964
Episode 3 of Season 4 premiered on February 17, 1964
March 2, 1964
Episode 4 of Season 4 premiered on March 2, 1964
March 16, 1964
Episode 5 of Season 4 premiered on March 16, 1964
April 6, 1964
Episode 6 of Season 4 premiered on April 6, 1964
April 20, 1964
Episode 7 of Season 4 premiered on April 20, 1964
May 4, 1964
Episode 8 of Season 4 premiered on May 4, 1964
May 25, 1964
Episode 9 of Season 4 premiered on May 25, 1964
June 8, 1964
Episode 10 of Season 4 premiered on June 8, 1964
June 22, 1964
Episode 11 of Season 4 premiered on June 22, 1964
July 6, 1964
Episode 12 of Season 4 premiered on July 6, 1964
July 20, 1964
Episode 13 of Season 4 premiered on July 20, 1964
August 3, 1964
Episode 14 of Season 4 premiered on August 3, 1964
August 17, 1964
Episode 15 of Season 4 premiered on August 17, 1964
August 31, 1964
Episode 16 of Season 4 premiered on August 31, 1964
September 14, 1964
Episode 17 of Season 4 premiered on September 14, 1964
September 28, 1964
Episode 18 of Season 4 premiered on September 28, 1964
October 12, 1964
Episode 19 of Season 4 premiered on October 12, 1964
November 9, 1964
Episode 20 of Season 4 premiered on November 9, 1964
November 23, 1964
Episode 21 of Season 4 premiered on November 23, 1964
December 7, 1964
Episode 22 of Season 4 premiered on December 7, 1964
December 21, 1964
Episode 23 of Season 4 premiered on December 21, 1964