The Croods must tame Sandy's wild behavior or she'll get exiled.

Grug struggles to learn a hunting skill that requires brains rather than brawn.

Ugga joins the "nitting" club, but has trouble fitting in.

While laid up with an injury, Eep witnesses a suspicious encounter.

Accused of stealing the valley's food stash, the Croods are allowed a "try-all" to prove their innocence.

Grug helps Munk get his job back with an IQ-boosting worm.

Grug introduces his new invention to Ahhh! Valley: the spear.

A mysterious creature saves Thunk from drowning.

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.