We Are Who We Are

In honor of her last day in Italy, Caitlin and Fraser sneak off to catch a concert in Bologna. Along the way, Fraser finally feels comfortable admitting a shocking secret about Mark and finds a new friend in Luca before he and Caitlin spend their final moments together in the most beautiful place on earth. Season finale.

Sarah is thrilled to learn about her son's burgeoning friendship with Jonathan and, grateful for a strong male influence in Fraser's life, encourages them to spend more time together – even if Maggie doesn't understand. Richard uses a father-daughter hunting trip to get inside Caitlin's head. Later, Sarah receives a phone call that will forever alter life on base.