It is high school graduation day for valedictorian Matt, who plans to leave home two months earlier than expected and take an internship inWashington D.C. with first lady Hillary Clinton, and is having trouble getting along with his siblings in his final days. Amid the sobering news of their son's early departure, Annie and Eric struggle to come to terms with news from the family doctor that Mary is pregnant. Also, the Camden kids concoct a plan with the Colonel and Grandma Ruth - who are in town for Matt's graduation - to get Happy back from her former owners. Plus, Annie's father shares some news about he and Ginger.