Introducing... Caveman! Caveman looking for Stonehenge. Caveman like Stonehenge. But caveman no like evil monkey, sticky cactus, bad bird, pointy rhino or falling rocks! These things bad.

Hector and Mac have their first day in the past and the caveman think they are evil spirits. They make good with a caveman's son and save his life. He wants to be an adult and the custom is to ...