"Sin Francisco," the eighteenth episode of Charmed Season 3 airing April 19, 2001, features the Halliwell sisters battling the demon Lukas, who infects them with the seven deadly sins using a cursed box. The episode is noted for its comedic, high-stakes plot where the sisters must overcome specific sins like Lust, Gluttony, and Pride to defeat Lukas. For more details, visit IMDb . Charmed S3E18 Sin Francisco Recap - TV Tropes