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疯狂原始人：欢乐登场
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.
While Grug has his first day as leader of Ahhh! Valley, a new family pet makes Sandy jealous.
Eep and Thunk try out a new lazy lifestyle.
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.
While giving a lesson on self-reliance, Grug suffers a mishap that tests his will to survive.
A plan to get revenge against the Broods backfires.
Squawk's students try to add some fun to his dreary life.
When the Broods steal the valley's food supply, it's up to Eep and Lerk to get it back.
To help get all the valley's work done, Grug pairs up every adult with a child trainee.
Ugga joins the "nitting" club, but has trouble fitting in.
When Munk reports his family missing, Grug takes it upon himself as valley leader to find them.
The residents of Ahhh! Valley celebrate Howl Day.
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.
