March 6, 1989
Episode 1 of Season 4 premiered on March 6, 1989
April 3, 1989
Episode 2 of Season 4 premiered on April 3, 1989
May 8, 1989
Episode 3 of Season 4 premiered on May 8, 1989
June 5, 1989
Episode 4 of Season 4 premiered on June 5, 1989
July 3, 1989
Episode 5 of Season 4 premiered on July 3, 1989
July 31, 1989
Episode 6 of Season 4 premiered on July 31, 1989
August 28, 1989
Episode 7 of Season 4 premiered on August 28, 1989
September 25, 1989
Episode 8 of Season 4 premiered on September 25, 1989
October 23, 1989
Episode 9 of Season 4 premiered on October 23, 1989
November 20, 1989
Episode 10 of Season 4 premiered on November 20, 1989
January 4, 1990
Episode 11 of Season 4 premiered on January 4, 1990
January 11, 1990
Episode 12 of Season 4 premiered on January 11, 1990
January 18, 1990
Episode 13 of Season 4 premiered on January 18, 1990
January 25, 1990
Episode 14 of Season 4 premiered on January 25, 1990
February 1, 1990
Episode 15 of Season 4 premiered on February 1, 1990
February 8, 1990
Episode 16 of Season 4 premiered on February 8, 1990
February 15, 1990
Episode 17 of Season 4 premiered on February 15, 1990
February 22, 1990
Episode 18 of Season 4 premiered on February 22, 1990
October 18, 1990
Episode 19 of Season 4 premiered on October 18, 1990
October 25, 1990
Episode 20 of Season 4 premiered on October 25, 1990
November 8, 1990
Episode 21 of Season 4 premiered on November 8, 1990
November 15, 1990
Episode 22 of Season 4 premiered on November 15, 1990
November 22, 1990
Episode 23 of Season 4 premiered on November 22, 1990
November 29, 1990
Episode 24 of Season 4 premiered on November 29, 1990
December 6, 1990
Episode 25 of Season 4 premiered on December 6, 1990
December 13, 1990
Episode 26 of Season 4 premiered on December 13, 1990
December 20, 1990
Episode 27 of Season 4 premiered on December 20, 1990
February 4, 1991
Episode 28 of Season 4 premiered on February 4, 1991
February 11, 1991
Episode 29 of Season 4 premiered on February 11, 1991
February 18, 1991
Episode 30 of Season 4 premiered on February 18, 1991
February 25, 1991
Episode 31 of Season 4 premiered on February 25, 1991
March 4, 1991
Episode 32 of Season 4 premiered on March 4, 1991
March 11, 1991
Episode 33 of Season 4 premiered on March 11, 1991
March 18, 1991
Episode 34 of Season 4 premiered on March 18, 1991
March 25, 1991
Episode 35 of Season 4 premiered on March 25, 1991
October 14, 1991
Episode 36 of Season 4 premiered on October 14, 1991
October 21, 1991
Episode 37 of Season 4 premiered on October 21, 1991
October 28, 1991
Episode 38 of Season 4 premiered on October 28, 1991
November 4, 1991
Episode 39 of Season 4 premiered on November 4, 1991
November 11, 1991
Episode 40 of Season 4 premiered on November 11, 1991
November 18, 1991
Episode 41 of Season 4 premiered on November 18, 1991
November 25, 1991
Episode 42 of Season 4 premiered on November 25, 1991
December 2, 1991
Episode 43 of Season 4 premiered on December 2, 1991
October 5, 1992
Episode 44 of Season 4 premiered on October 5, 1992
October 13, 1992
Episode 45 of Season 4 premiered on October 13, 1992
October 19, 1992
Episode 46 of Season 4 premiered on October 19, 1992
October 27, 1992
Episode 47 of Season 4 premiered on October 27, 1992
November 2, 1992
Episode 48 of Season 4 premiered on November 2, 1992
November 9, 1992
Episode 49 of Season 4 premiered on November 9, 1992
November 16, 1992
Episode 50 of Season 4 premiered on November 16, 1992
November 23, 1992
Episode 51 of Season 4 premiered on November 23, 1992
December 1, 1992
Episode 52 of Season 4 premiered on December 1, 1992
December 7, 1992
Episode 53 of Season 4 premiered on December 7, 1992
December 14, 1992
Episode 54 of Season 4 premiered on December 14, 1992
December 21, 1992
Episode 55 of Season 4 premiered on December 21, 1992
December 28, 1992
Episode 56 of Season 4 premiered on December 28, 1992
December 28, 1992
Episode 57 of Season 4 premiered on December 28, 1992