January 10, 1990
Episode 1 of Season 4 premiered on January 10, 1990
January 17, 1990
Episode 2 of Season 4 premiered on January 17, 1990
January 24, 1990
Episode 3 of Season 4 premiered on January 24, 1990
January 31, 1990
Episode 4 of Season 4 premiered on January 31, 1990
February 7, 1990
Episode 5 of Season 4 premiered on February 7, 1990
February 14, 1990
Episode 6 of Season 4 premiered on February 14, 1990