About 20，000 years ago，the world（世界）is very cold.Ice covers（覆盖）many areas.Animals（动物）try to find a warm place to live（居住）.This is when the stories of Ice Age family happen.

The squirrel（松鼠）Scrat is always crazy（疯狂的）about burying（埋）his acorn（松果）.But this time，he goes into space（太空）and makes a big mistake（错误）.

At the same time（同时），Manny the mammoth（猛犸象）is worried（担心的）about her daughter Peaches.She’s going to get married（结婚）.Sid the sloth（树懒）finds a girlfriend.But they have lots of troubles（麻烦）.

What will happen to Earth?Will everyone have a happy ending（结局）?You can find out the answer in the movie Ice Age：Collision Course（《冰川时代5：星际碰撞》）.