On the season finale of "Keeping Up with the Kardashians," another sex scandal rocks the family as explicit photos of Kourtney and an old boyfriend resurface, and Kim believes she might be to blame. Can the family put a stop to it before the photos go public? Or will this end up fracturing their clan for good? Plus, see what happens when the FBI gets called in! And how will Kris break the news to her conservative hubby Bruce? Plus, Kim tries to clear up romance rumors as she discusses dating on Ryan Seacrest's radio show. Did she really hook up with Terrence Howard? Joe Francis? Nick Lachey? Find out as she comes clean about it all!