“Natural Born Kissers“, also known as “Margie, May I Sleep With Danger?“, is the twenty-fifth episode of Season 9. It originally aired on May 17, 1998. The episode was written by Matt Selma and directed by Klay Hall.
When their anniversary dinner is a flop and their love life seems to lack luster, Homer and Marge try to spice it up, first by traveling to a bed & breakfast. Meanwhile, Lisa and Bart use Grampa’s mine detector to find treasure and they find an alternate ending to “Casablanca.” Homer and Marge discover that the fear of getting caught is the spice they need until they are caught bearing it all.