Josie and Kelton are eager to move forward with the next phase of their relationship. But before the young couple speaks to Gil and Kelly Jo about the "M" word, they meet up with Zach and Whitney for advice. Meanwhile, Tori and Bobby have their sights set on Nashville, but prior to moving to a new city, they visit Dr. Vick and experience their very first ultrasound! And now that the Bates' church has added more members to their congregation, they've outgrown their space. But is Gil game for an expansion?