It's anchors—and antics—aweigh in the fifth-season finale, as the gang sets sail on a yacht owned by Karen's late husband, Stanley. She's planned a Caribbean cruise to scatter at sea the ashes of her spouse. But as Jack and Will frolic, Grace frets. That's because her hubby, Leo, is keeping company with a very seductive MD while on a medical assignment in Guatemala. Karen, too, is troubled, admitting that "I don't know what I'm going to do without you, Stanley"—a sentiment echoed by a confrontational stowaway.