An all-new Lalaloopsy Girls movie, Lalaloopsy Girls: Welcome to L.A.L.A. Prep School, will air on Nickelodeon on September 7 at noon. The one-hour animated special features the new Lalaloopsy Girls students at the Lalaloopsy Academy for Learning Arts, where they learn to navigate the fun and quirky school, attend classes, join clubs, and make friends along the way.