Carmen's friend, Noah, goes to great extremes to help Carmen keep her relationship with Zack a secret from her parents, in the first of a two-part season finale. In the second part, George and Angie confront Carmen and Zack about their secret romance, and risk pushing Carmen away forever when they forbid the relationship. Meanwhile, Randy returns to the factory and brings some very special musical guests (The Commodores, guest starring as themselves) in the hope of winning Benny back