Season 4
24 episodes

1. A Few Good Grugs
12m · Jul 7, 2017
Accused of stealing the valley's food stash, the Croods are allowed a "try-all" to prove their innocence.
2. A Valley Shine Day
12m · Jul 7, 2017
Kevin gives Thunk tips on attracting girls.

3. Chalk the Line
12m · Jul 7, 2017
Eep tricks her parents into letting her go to a grown-up party.
4. Weighting Is the Hardest Part
12m · Jul 7, 2017
To win back the title of Hefty Hunter, Grug seeks the help of a personal trainer.

5. Wrestlebabia: The Musical
12m · Jul 7, 2017
Sandy expresses her frustrations about being treated like a baby by breaking into song.
6. Flowers for Munk
12m · Jul 7, 2017
Grug helps Munk get his job back with an IQ-boosting worm.

7. They Might Be Sky Giants
12m · Jul 7, 2017
While unconscious, Eep has a life-changing vision.
8. The Grugest Story Ever Told
12m · Jul 7, 2017
Afraid he's no longer respected as valley leader, Grug enlists Thunk to perform his life story.

9. Worms of Endearment
12m · Jul 7, 2017
Lerk's plan to save her worm playmates from becoming bait spirals out of control.
10. Dr. StrangeGrug or How I Learned to Stop Worrying and Love the Spear
12m · Jul 7, 2017
Grug introduces his new invention to Ahhh! Valley: the spear.

11. Tunnel of Terror
12m · Jul 7, 2017
Eep drags her friends into Ahhh! Valley's Tunnel of Terror to see if it lives up to its name.
12. Creature from the Crood Lagoon
12m · Jul 7, 2017
A mysterious creature saves Thunk from drowning.

13. Voice Fail
23m · Jul 7, 2017
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.

14. Punch-Thunk Love
12m · Jul 7, 2017
After finding out Thunk is in love with Blurg Brood, Eep tries to interest him in a new girl.
15. Nay Boors
12m · Jul 7, 2017
Ugga attempts to drive away selfish neighbor Snoot.

16. Caverns and Creepers
12m · Jul 7, 2017
Eep's love of competition and destruction ruins Thunk's teamwork-based game.
17. Rad Teacher
12m · Jul 7, 2017
Squawk gets fired and is replaced by a very different kind of teacher.

18. Grug's First Chance
12m · Jul 7, 2017
Grug stumbles on an easy way to solve feuds as valley leader.
19. Furry Road
12m · Jul 7, 2017
Thunk narrates a documentary on one of Ahhh! Valley's many creatures: the bearowl.

20. My Big Fat Gran Wedding
12m · Jul 7, 2017
To win a bet, Gran decides to marry Mow.
21. The Strutting Edge
12m · Jul 7, 2017
Ahhh! Valley's kids compete in the Beasty Pageant to see who best poses, calls and struts like an animal.

22. Can't Hardly Bait
12m · Jul 7, 2017
To graduate with their pals, Thunk and Womp take Squawk's crash course.
23. Crood Detente
12m · Jul 7, 2017
Without asking the other residents, Grug makes a peace deal with the Broods.

24. This Is an End
23m · Jul 7, 2017
A fast-approaching asteroid headed toward Ahhh! Valley leads the residents to make hasty moving plans, but Grug insists he can defend their homeland.