After snobby neighbors move in next door and complain about a bone pile blocking their backyard view, the Croods start the first prank war ever.

Everyone loves it when Thunk uses shadow puppets to make the world's first movie ... until they see the end of the show.

When Grug and Ugga go out on a date and leave the kids home alone, Eep throws the first-ever house party, which gets out of control.

Eep invites her friends over for the first sleepover in history.

Thunk saves the day when wacky beasts invade.

Grug takes Ugga out to practice her hunting skills, but there are some kinds of animals that she just can't seem to catch.

When Eep becomes a veg-a-eat-ian, the family hunts for the biggest veggies they can find -- until something makes them go back to eating meat.

Grug is called a zombie after taking the world's first nap.

After the Croods taste a new food for the first time, they can't stop eating it.

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.

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.