July 14, 1990
Episode 1 of Season 4 premiered on July 14, 1990
July 21, 1990
Episode 2 of Season 4 premiered on July 21, 1990
July 28, 1990
Episode 3 of Season 4 premiered on July 28, 1990
August 4, 1990
Episode 4 of Season 4 premiered on August 4, 1990
August 11, 1990
Episode 5 of Season 4 premiered on August 11, 1990
August 18, 1990
Episode 6 of Season 4 premiered on August 18, 1990
August 25, 1990
Episode 7 of Season 4 premiered on August 25, 1990
September 1, 1990
Episode 8 of Season 4 premiered on September 1, 1990
September 8, 1990
Episode 9 of Season 4 premiered on September 8, 1990
September 15, 1990
Episode 10 of Season 4 premiered on September 15, 1990
September 22, 1990
Episode 11 of Season 4 premiered on September 22, 1990
September 29, 1990
Episode 12 of Season 4 premiered on September 29, 1990
October 6, 1990
Episode 13 of Season 4 premiered on October 6, 1990
October 13, 1990
Episode 14 of Season 4 premiered on October 13, 1990
October 20, 1990
Episode 15 of Season 4 premiered on October 20, 1990
October 27, 1990
Episode 16 of Season 4 premiered on October 27, 1990
November 3, 1990
Episode 17 of Season 4 premiered on November 3, 1990
November 10, 1990
Episode 18 of Season 4 premiered on November 10, 1990
November 17, 1990
Episode 19 of Season 4 premiered on November 17, 1990
November 24, 1990
Episode 20 of Season 4 premiered on November 24, 1990
December 1, 1990
Episode 21 of Season 4 premiered on December 1, 1990
December 8, 1990
Episode 22 of Season 4 premiered on December 8, 1990
December 15, 1990
Episode 23 of Season 4 premiered on December 15, 1990
December 22, 1990
Episode 24 of Season 4 premiered on December 22, 1990
December 29, 1990
Episode 25 of Season 4 premiered on December 29, 1990
January 5, 1991
Episode 26 of Season 4 premiered on January 5, 1991
January 12, 1991
Episode 27 of Season 4 premiered on January 12, 1991
January 19, 1991
Episode 28 of Season 4 premiered on January 19, 1991
January 26, 1991
Episode 29 of Season 4 premiered on January 26, 1991
February 2, 1991
Episode 30 of Season 4 premiered on February 2, 1991
February 9, 1991
Episode 31 of Season 4 premiered on February 9, 1991
February 16, 1991
Episode 32 of Season 4 premiered on February 16, 1991
February 23, 1991
Episode 33 of Season 4 premiered on February 23, 1991
March 2, 1991
Episode 34 of Season 4 premiered on March 2, 1991
March 9, 1991
Episode 35 of Season 4 premiered on March 9, 1991
March 16, 1991
Episode 36 of Season 4 premiered on March 16, 1991
March 23, 1991
Episode 37 of Season 4 premiered on March 23, 1991
March 30, 1991
Episode 38 of Season 4 premiered on March 30, 1991
April 6, 1991
Episode 39 of Season 4 premiered on April 6, 1991
April 13, 1991
Episode 40 of Season 4 premiered on April 13, 1991
April 20, 1991
Episode 41 of Season 4 premiered on April 20, 1991
April 27, 1991
Episode 42 of Season 4 premiered on April 27, 1991
May 4, 1991
Episode 43 of Season 4 premiered on May 4, 1991
May 11, 1991
Episode 44 of Season 4 premiered on May 11, 1991
May 18, 1991
Episode 45 of Season 4 premiered on May 18, 1991
May 25, 1991
Episode 46 of Season 4 premiered on May 25, 1991
June 1, 1991
Episode 47 of Season 4 premiered on June 1, 1991
June 8, 1991
Episode 48 of Season 4 premiered on June 8, 1991
June 15, 1991
Episode 49 of Season 4 premiered on June 15, 1991
June 22, 1991
Episode 50 of Season 4 premiered on June 22, 1991
June 29, 1991
Episode 51 of Season 4 premiered on June 29, 1991
September 7, 1991
Episode 52 of Season 4 premiered on September 7, 1991
September 14, 1991
Episode 53 of Season 4 premiered on September 14, 1991
September 21, 1991
Episode 54 of Season 4 premiered on September 21, 1991