S1, E2: Dani's baby sister Katie gears up for her high school prom, which brings up a lot of feelings for Kevin, since he missed his own! It also brings up a lot of emotions for Dani's dad Bucky, who hates to see his little girl grow up. As the sisters help Katie find the perfect dress, Kevin tries to help Bucky come to terms with his daughter's passage into adulthood. All the planning culminates in a pre-prom party hosted by Kevin and Dani--but will bad weather ruin what would be a perfectly awesome day?