ABC's TGIF lineup for Friday February 12, 1993 (Valentine's Day Weekend). 8pm - Family Matters (new episode: Heart Strings) 8:30pm - Step By Step (new episode: Love, Port Washington Style) 9pm - Dinosaurs (new episode: Steroids in Heaven) 9:30pm - Camp Wilder (new episode: Love Stinks) 10pm - 20/20