When Gran moves into the cave with the Croods, she drives Grug nuts and embarasses Eep in front of the first-ever group of cool kids.
Eep loves to compete, so she teams up with her new friend Lerk and plans to win a school hunting exam, no matter what she has to do.
When Eep and Thunk play the world's first dare game, Thunk must face his biggest fear.
Grug starts a fight with the moon.
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.
Because of Thunk's dislike for a certain meal, he leads a pack of Bearowls to the Croods cave and when the Boor's cave is overtaken by an Albatrocerous, the 2 rival clans are forced to share a cave while Eep and Thunk try to reverse the situation.
Eep has her first slumber party in a cave and her worrying family inadvertently make it a frightening night.
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.
A sugar rush overtakes the Croods when the get a craving for honey from a beehive.
Grug's proposal to take the world's first nap takes a scary twist on his neighbors.
Grug won't let Eep join his winning team, so she forms her own group to play in history's first sports event.
After making a spectacle of himself, Thunk is forced to change his ways.
After getting a giant head from a Spiderant bite, everybody is convinced that Grug is now completely intelligent and he uses this to outstrip Snoot's role as Ahhh! Valley's Problem Solver.
When two things go missing in the middle of the night, Eep hunts for clues to solve the first mystery ever.
Fed up with being ignored, Gran fakes her own death and haunts her family, but the Croods are anything but intimidated at this.
The Croods have to control Sandy's primitive behavior or she will be thrown out of Ahhh! Valley.
Eep falls for a handsome new teenager at her school.
Thunk befriends a group of Liyotes, but the Croods try to convince him that they only want food.
When the adults forbid dancing, the teenagers decide to have a secret underground dance place.
Grug struggles to do 'math', which is now a method of hunting, with Sqwak's help.
Eep goes through hallucinations to capture a 'Night Mare' in order to look good in front of her class.
When Ugga gets cranky, Eep and Thunk decide to surprise her to cure her of her bad mood.
When Eep makes the scream-leading team, Meep Boor, the new head coach, begins badly influencing her.
When Meep kicks Snoot out for his cowardliness, he bunks with the Croods, who are less than thrilled at having him.
Eep and Thunk discover an underground treasure of golden eggs and greed begins to overtake them.
Gran befriends a pack of Crabby-Tabbies (cat-crab mix creatures) who wish to be crabby to all while Grug and Ugga take desperate measures to get into Snoot's party.
When Eep is literately grounded for causing mischief, she bets Grug that he can't take the teen life, so the ever prideful Grug sets out to prove her wrong, but he ends up in danger.
Grug meets a doppelganger of his named Gurg (voiced by Christian Slater) and he has Gurg pretend to be him so he won't do his chores, but Gurg decides to steal his family away.
Eep and Thunk resort to cheating in an idea fair project.
Sandy is framed by a new baby for misbehavior when Thunk looks after them.
Gran decides to toughen Thunk up when she feels like he's too soft.
Eep participates in a contest to see who can lay their hands on a giant egg.
The teenagers decide to make a 'rule-free' zone for them to have fun in.
Grug and Ugga forbid Eep from dating, so she compensates this by reuniting two lovesick buffalippos.
Thunk becomes a ventriloquist, but he feels like the puppet is getting more credit than he is.
Gran fools everybody into thinking she can control the weather while Thunk gets 'Cave Brain' while waiting for the rain to stop.
Eep becomes a death-guard at the watering hole and just when she sees that it's not what she expected, the watering hole dries up.
When Grug gets fed up with the hardships Ahhh! Valley brings, he takes his family on a vacation to the wilderness where they meet a seemingly nice family.
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.
Eep and Thunk try out a new lazy lifestyle.
While Grug has his first day as leader of Ahhh! Valley, a new family pet makes Sandy jealous.
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.
A plan to get revenge against the Broods backfires.
While giving a lesson on self-reliance, Grug suffers a mishap that tests his will to survive.
When the Broods steal the valley's food supply, it's up to Eep and Lerk to get it back.
Squawk's students try to add some fun to his dreary life.
Ugga joins the "nitting" club, but has trouble fitting in.
To help get all the valley's work done, Grug pairs up every adult with a child trainee.
The residents of Ahhh! Valley celebrate Howl Day.
When Munk reports his family missing, Grug takes it upon himself as valley leader to find them.
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.
While laid up with an injury, Eep witnesses a suspicious encounter.
Grug uses fear to get the residents to accept defense measures against the Broods.
When Grug is imprisoned for a crime he didn't commit, he must escape to clear his name.
A new liyote in the neighborhood targets Thunk for bullying.
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.
A mysterious creature saves Thunk from drowning.
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.
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.
Squawk gets fired and is replaced by a very different kind of teacher.
Eep's love of competition and destruction ruins Thunk's teamwork-based game.
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.
Ahhh! Valley's kids compete in the Beasty Pageant to see who best poses, calls and struts like an animal.
To win a bet, Gran decides to marry Mow.
Without asking the other residents, Grug makes a peace deal with the Broods.
To graduate with their pals, Thunk and Womp take Squawk's crash course.
A fast-approaching asteroid headed toward Ahhh! Valley leads the residents to make hasty moving plans, but Grug insists he can defend their homeland.
