A philosophical caveman yearns for more out of life than sticks, stones and raw meat.

A caveman and a dinosaur bond over shared tragedy and work together to survive in a perilous prehistoric world.

When they find a frozen caveman in their back yard, two high school outcasts thaw him and introduce him to modern life while he in turn gets them to actually enjoy life.

After their cave is destroyed, a caveman family must trek through an unfamiliar fantastical world with the help of an inventive boy.

An asteroid collides with the prehistoric Earth, causing the extinction of the planet's dinosaurs, but sparing a tribe of cavemen living near the impact site. Finding a roughly spherical chunk of the asteroid that is too hot to touch, the cavemen begin to kick it around and invent the game of football. Many years later during the Stone Age, a young caveman named Dug (Eddie Redmayne) lives in the village with the chief Bobnar (Timothy Spall) and many other cavemen such as Asbo, (Johnny Vegas), Gravelle (Gina Yashere), Treebor (Richard Ayoade), Magma (Selina Griffiths), Barry (Mark Williams), Grubup (Richard Webber), Thongo (Simon Greenall) and Eemak (Simon Greenall). One day, Dug suggests to Bobnar that they should try hunting woolly mammoths instead of rabbits, but Bobnar brushes him off..

Still searching for a place to settle down after the cataclysmic events of The Croods (2013), the overprotective prehistoric patriarch, Grug, leads his family to the great unknown. Hoping for the best in an increasingly dangerous world, while trying to come to terms with Eep and Guy's budding romance, Grug stumbles upon a secluded Eden of plenty, containing everything that they have been seeking. However, there is a catch. This verdant heaven on Earth is already occupied by the significantly more evolved Bettermans: Phil, Hope, and their daughter, Dawn. Now, as tensions boil over between the antagonistic clans, a new menace threatens the future of both families. Can the Croods and the Bettermans put aside their differences to fight the common enemy, and live to tell the tale?