Set after the events of Continental Drift, Scrat's epic pursuit of his elusive acorn catapults him outside of Earth, where he accidentally sets off a series of cosmic events that transform and threaten the planet. To save themselves from peril, Manny, Sid, Diego, and the rest of the herd leave their home and embark on a quest full of thrills and spills, highs and lows, laughter and adventure while traveling to exotic new lands and encountering a host of colorful new characters.
Elenco: John Leguizamo , Keke Palmer , Denis Leary , Ray Romano , Wanda Sykes , Jennifer Lopez , Stephanie Beatriz , Melissa Rauch , Simon Pegg , Nick Offerman , Max Greenfield , Adam DeVine , Jesse Tyler Ferguson , Neil deGrasse Tyson , Michael Strahan , Jessie J , Chris Wedge .