After finding their way out of a creature's stomach, the Croods head back to Ahhh! Valley to stop the Broods from taking over their homeland.

While Grug has his first day as leader of Ahhh! Valley, a new family pet makes Sandy jealous.

Eep and Thunk try out a new lazy lifestyle.

Eep finds a mysterious pen pal to share her feelings with.

When Gran reveals she's hidden a treasure guarded by booby traps, Eep sets off to find it.

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

A plan to get revenge against the Broods backfires.

Squawk's students try to add some fun to his dreary life.

When the Broods steal the valley's food supply, it's up to Eep and Lerk to get it back.

To help get all the valley's work done, Grug pairs up every adult with a child trainee.

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.

When the Big Chickuna invades the valley, all the residents evacuate to safety except for Bulk, whose rescue becomes a contest between Grug and Snoot.

While he and Eep are held captive by the Broods for a ransom, Thunk finds his soulmate.

Ugga's popular meatzza business attracts a competitor: Amber.

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

Grug invents a sport he hopes will earn him a spot on the Wall of Fame.

Thunk demonstrates an unexpected talent that lands him a new job.

A sticky situation forces Grug to accept Gran as his hunting partner.

Grug uses fear to get the residents to accept defense measures against the Broods.

While laid up with an injury, Eep witnesses a suspicious encounter.

A new liyote in the neighborhood targets Thunk for bullying.

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

Accused of stealing the valley's food stash, the Croods are allowed a "try-all" to prove their innocence.

Kevin gives Thunk tips on attracting girls.

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

To win back the title of Hefty Hunter, Grug seeks the help of a personal trainer.

Sandy expresses her frustrations about being treated like a baby by breaking into song.

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

While unconscious, Eep has a life-changing vision.

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

Lerk's plan to save her worm playmates from becoming bait spirals out of control.

Grug introduces his new invention to Ahhh! Valley: the spear.

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

A mysterious creature saves Thunk from drowning.

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.

After finding out Thunk is in love with Blurg Brood, Eep tries to interest him in a new girl.

Ugga attempts to drive away selfish neighbor Snoot.

Eep's love of competition and destruction ruins Thunk's teamwork-based game.

Squawk gets fired and is replaced by a very different kind of teacher.

Grug stumbles on an easy way to solve feuds as valley leader.

Thunk narrates a documentary on one of Ahhh! Valley's many creatures: the bearowl.

To win a bet, Gran decides to marry Mow.

Ahhh! Valley's kids compete in the Beasty Pageant to see who best poses, calls and struts like an animal.

To graduate with their pals, Thunk and Womp take Squawk's crash course.

Without asking the other residents, Grug makes a peace deal with the Broods.

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