Tensions quickly rise between the two families. Phil and Hope Betterman prioritize hygiene, privacy, and technology (such as "windows" and irrigation), while Grug Crood struggles to keep his "pack" together in a world that encourages independence. Characters: The Croods:

Grug (Nicolas Cage), Eep (Emma Stone), Ugga (Catherine Keener), and Thunk (Clark Duke). The Bettermans: