Grug won't let Eep join his winning team, so she forms her own group to play in history's first sports event.

An animal bite has a freaky effect on Grug.

Because he is so stinky, Thunk pretends to be something that he really isn't.

When two things go missing in the middle of the night, Eep hunts for clues to solve the first mystery ever.

To get a break from his honey-do list, Grug has his doppelgänger fill in for him.

Eep and Thunk try to sabotage a pair of cheaters' idea fair project.

While Thunk baby-sits, Sandy gets blamed for trouble caused by a tiny new neighbor.

Worried Thunk is too soft to survive, Gran vows to toughen him up.

The valley's kids seize a chance to create a no-rules society.

With a huge egg at stake, a contest is held to see who can hold onto it the longest.

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

Banned from dating, Eep sets out to unite two buffalippos instead.

Eep becomes a death-guard at the watering hole, which proves less exciting than she thought.

Gran convinces everyone she can control the weather.

On vacation, the Croods find a family living alone in a utopia too good to be true. The Croods must escape and warn Ahhh! Valley before it's too late.

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.