Gran dies and comes back to haunt the family. Sandy is out of control and gets tamed by Amber.

Eep gets a crush on a new boy at school. Thunk starts hanging out with the wrong group of people.

Grug has a hard time learning to hunt using his brain instead of his muscles. The adults put a ban on dancing so the teens form an underground club.

Eep tries out and makes the scream leading team but falls under her coach's influence. Snoot's wife kicks him out and the Croods help him win her back.

Eep and Thunk find a cave full of eggs and become rich. Gran finds friends that are as crabby as she is.

After Eep gets grounded by her dad for being too wild, she makes a bet with him that he couldn't last as a teenager. They end up switching places.

Grug tries to get out of doing chores and finds a doppleganger to do it for him. Eep and Thunk are tired of always losing at the hunter's fair so they decide to cheat.

Thunk babysits Sandy and a new neighbor and Sandy gets all the blame for bad things happening. Gran tries to toughen up Thunk because she thinks he is too nice to live into old age.

The kids all end up being on their own with no rules because the parents have a contagious sneezing cold. Food is scarce and an egg is found. A contest ensues to see who wins it by not letting go.

Eep is excited to become a death guard at the watering hole, but later finds rather boring. Gran is able to convince everyone that she can control the weather.

While on vacation in a utopia that seems to good to be true, the Croods find a family living there alone. The Croods need to find a way to warn Ahhh. Valley before it is too late.