The Duncans are a typical family whose lives are turned topsy-turvy with the arrival of new baby sister, Charlie. With their parents juggling full- time careers, it’s chaotic for the Duncan kids, Teddy, PJ and Gabe who endure everything from burp cloths in their backpacks to formula stains on their clothes. The adventure continues as Charlie turns 2, PJ has a new girlfriend, and it’s potty-time at the Duncan house! Taking care of their baby sister and navigating teen life has never been so much fun!