Ice Age: Into the Mysterious World

Plot
After heading back to Earth, Scrat attempts to find a place to store his single acorn. Eventually, as he tries to stomp it into the ground, he accidently removed the Earth's heart causing the land to disintegrate,Scrat escapes, but is tangled by the vines. Before Scrat could reach the acorn, Sid, the ground sloth finds him. Scrat panics, but Sid frees him before catching up to the wedding ceremony.

Peaches' daughters, Amy and Mila aren't getting along, leaving Peaches' husband Julian to take care of them. Diego, the sabertooth tiger is depressed, because he misses his friends, Manny and Ellie, the mammoths. But Sid cheers him up by telling him how friends go their seperate ways and come back sooner or later. Suddenly, the valley began to disintegrate again, But the herd barely escapes. Shocked and horrified by this, Everyone started evacuating.

Sid, Diego and the others went on a large journey,and end up in various adventures (all while encountering bizarre creatures), including carnivorus plants, a colony of prehistoric birds and a cavern maze, which they eventually escape thanks to a stampede of glowing mammoths.