When Phil humiliates himself playing throw-go-nut with the punch monkeys, the Croods band together to help him regain his confidence; unfortunately, Phil goes from confident to cocky and bets the farm on a game with the punch monkeys.

When Gran announces it's time to choose a new Thunder Sisters Queen, Ugga assumes she's got it in the bag; after a series of challenges called the "Thunder Games," it becomes clear Gran might not be ready to step down.

Since Guy always surprises Eep with romantic gestures, Eep decides to return the favor; when Guy proves impossible to surprise, Eep must step up her game.

When the Crood and Betterman parents struggle to get along, the two couples realise they need some time apart and decide to get away from the farm and each other; however, both couples choose to take a break on the same small beach.

Eep loves action and adventure, but when she starts exploring in her sleep, she must find the cause of her sleepwalking to prevent dangerous situations.