Scrat: Spaced Out (2016) on Netflix

Scrat is captured by Scratazons who take away his acorn. Now, Scrat must rescue his acorn and escape before the aliens catch him.

Following the cosmic consequences of Cosmic Scrat-tastrophe (2015) and the cataclysmic events of Ice Age: Collision Course (2016), the marooned astronaut, Scrat, returns home aboard the alien spaceship. However, the leader of the technologically advanced extraterrestrial beings known only as the Scratzons, crave Scrat's precious cargo, intent on keeping it for themselves. As a result, the battle for the only acorn in space will be fierce. Who shall prevail?

—Nick Riganas