Phineas and Ferb: Steampunx/It's No Picnic

Dr. Doofenshmirtz is sentenced to community service for being evil, and much to his daughter Vanessa's chagrin, he's assigned to teach science at her high school. Guest starring are Gary Cole as Principal Lang, Josh Gad as Wendell, Danica McKellar as Becky, and Jennifer Grey as Mrs. Pierpont./ With Perry's help, a distraught Doof tracks down the precious lawn gnome that was repossessed many years ago from his father in an effort to heal old wounds. Meanwhile, Phineas and Ferb build an antique biplane to fulfill their dad's dream for Father's Day.