Elaine Hendrix was David Faustino's real-life girlfriend at the time.
Marcy finds out her cousin Mandy (both played by Amanda Bearse) is a lesbian, and is shocked by the revelation. In actuality, Bearse herself is gay, having revealed it in 1993.
This episode was taped on March 14, 1997.
Elaine Hendrix was also in the season 9 episode, User Friendly
Elaine Hendrix and Katey Sagal appeared together in Ghost Whisperer (2005) in the episode Undead Comic.