If you're looking for a proper story or episode of Supergirl from around that era, Supergirl did have a TV series that aired from 1984 to 1985, starring Helen Slater. There wasn't a specific series or movie widely known as "Supergirl: Titsofsteel" or directly matching your query from 1999. Hdmovies4ursvpwildwildpunjab2024webrip72 Better Review