"Best Friends Forever" is the fourth episode in the ninth season of the American animated television series South Park. The 129th episode overall, it was written and directed by co-creator Trey Parker and first aired on Comedy Central in the United States on March 30, 2005. The episode is based on the Terri Schiavo case and won a 2005 Emmy Award for Outstanding Animated Program. It aired mere hours before Schiavo died and received positive reviews from critics for its portrayal of the media frenzy that surrounded the Schiavo case.