Season 4

2017 · 24 episodes

Episodes

1A Few Good GrugsAccused of stealing the valley's food stash, the Croods are allowed a "try-all" to prove their innocence.
2A Valley Shine DayKevin gives Thunk tips on attracting girls.
3Chalk the LineEep tricks her parents into letting her go to a grown-up party.
4Weighting Is the Hardest PartTo win back the title of Hefty Hunter, Grug seeks the help of a personal trainer.
5Wrestlebabia: The MusicalSandy expresses her frustrations about being treated like a baby by breaking into song.
6Flowers for MunkGrug helps Munk get his job back with an IQ-boosting worm.
7They Might Be Sky GiantsWhile unconscious, Eep has a life-changing vision.
8The Grugest Story Ever ToldAfraid he's no longer respected as valley leader, Grug enlists Thunk to perform his life story.
9Worms of EndearmentLerk's plan to save her worm playmates from becoming bait spirals out of control.
10Dr. StrangeGrug or How I Learned to Stop Worrying and Love the SpearGrug introduces his new invention to Ahhh! Valley: the spear.
11Tunnel of TerrorEep drags her friends into Ahhh! Valley's Tunnel of Terror to see if it lives up to its name.
12Creature from the Crood LagoonA mysterious creature saves Thunk from drowning.
13Voice FailWhen Grug loses his commanding voice, he and Ugga search for it. Meanwhile, Eep gets carried away while acting as the valley leader's spokesperson.
14Punch-Thunk LoveAfter finding out Thunk is in love with Blurg Brood, Eep tries to interest him in a new girl.
15Nay BoorsUgga attempts to drive away selfish neighbor Snoot.
16Caverns and CreepersEep's love of competition and destruction ruins Thunk's teamwork-based game.
17Rad TeacherSquawk gets fired and is replaced by a very different kind of teacher.
18Grug's First ChanceGrug stumbles on an easy way to solve feuds as valley leader.
19Furry RoadThunk narrates a documentary on one of Ahhh! Valley's many creatures: the bearowl.
20My Big Fat Gran WeddingTo win a bet, Gran decides to marry Mow.
21The Strutting EdgeAhhh! Valley's kids compete in the Beasty Pageant to see who best poses, calls and struts like an animal.
22Can't Hardly BaitTo graduate with their pals, Thunk and Womp take Squawk's crash course.
23Crood DetenteWithout asking the other residents, Grug makes a peace deal with the Broods.
24This Is an EndA fast-approaching asteroid headed toward Ahhh! Valley leads the residents to make hasty moving plans, but Grug insists he can defend their homeland.