S4·E16 Mirror, Mirror
Aired February 14, 1994
Synopsis
An attractive wild young woman, named Mattie, and her plain twin sister, Gwen, arrive at the beach and vie for Mitch's affections. But Mitch is unaware that Mattie and Gwen are the same person, a woman with split personalities which soon lands Mitch in danger when Gwen's other personality, Mattie, means him physical harm.