Kirk DeMicco, Chris Sanders
In the primeval era, Grug and his family risk the dangers of their surroundings to find a new dwelling place. Along the way, they meet a modern boy who woos them with his adventurous ways.
"The Croods" are an eccentric family of cavemen, who survive the harsh terrain by living accordingly to a strict set of rules. But when their home is destroyed in the wake of an impending disaster known as "The End", they are forced to leave their home of shelter and security, and into the wilderness of the unknown to find a new home.