After neighbor Snoot's wife kicks him out, the Croods help him win her back.

After inventing ventriloquism, Thunk gets jealous when his puppet upstages him.

While giving a lesson on self-reliance, Grug suffers a mishap that tests his will to survive.

Ugga joins the "nitting" club, but has trouble fitting in.

When Munk reports his family missing, Grug takes it upon himself as valley leader to find them.

The residents of Ahhh! Valley celebrate Howl Day.

Eep realizes softy Thunk is the perfect partner for winning a cutthroat game.

When Grug is imprisoned for a crime he didn't commit, he must escape to clear his name.

Kevin gives Thunk tips on attracting girls.

Eep tricks her parents into letting her go to a grown-up party.

Grug helps Munk get his job back with an IQ-boosting worm.

Afraid he's no longer respected as valley leader, Grug enlists Thunk to perform his life story.

Eep drags her friends into Ahhh! Valley's Tunnel of Terror to see if it lives up to its name.

When Grug loses his commanding voice, he and Ugga search for it. Meanwhile, Eep gets carried away while acting as the valley leader's spokesperson.

Ugga attempts to drive away selfish neighbor Snoot.

A fast-approaching asteroid headed toward Ahhh! Valley leads the residents to make hasty moving plans, but Grug insists he can defend their homeland.