In the exciting sequel to "Flatland: The Movie", Hex encounters all new mathematical puzzles and embarks on a journey across multiple dimensions to save a doomed Flatland space mission and discover the true shape of her universe. Based on "Flatland" by Edwin A. Abbott and "Sphereland" by Dionys Burger.

Starring Kristen Bell (Frozen), Michael York (Logan's Run), Danny Pudi (Community), Danica McKellar (The Wonder Years), Kate Mulgrew (Star Trek: Voyager), and Tony Hale (Arrested Development).