Christopher Lloyd, Roger Moore, and Molly Shannon lend their voices to this animated adventure inspired by the beloved television classic. Years after losing the position of Easter Bunny to Peter Cottontail, envious Irontail teams with chilly villain Jackie Frost to usher in an era of endless winter. When a cold breeze blasts across the land, Peter Cottontail's son Junior calls on "flight-challenged" bird Flutter and their good friend Munch, a tiny mouse with an enormous appetite, to help stave off another ice age. Now, as Junior, Flutter, and Munch travel to the edge of the Earth on the adventure of a lifetime, friendships will be tested and the secret of the Clocks of the Season will finally be revealed.