Walking with Monsters (2005) is a Documentary, Animation series that follows a three-part British documentary film series about life in the Paleozoic, bringing to life extinct arthropods, fish, amphibians, synapsids, and reptiles. Narrated by Kenneth Branagh and using state-of-the-art visual effects, this prequel to Walking with Dinosaurs shows nearly 300 million years of Paleozoic history, from the Cambrian Period (530 million years ago) to the Early Triassic Period (248 million years ago). Walking with Monsters is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 8.5 out of 10 from 37 votes. Fans of documentary series may also want to explore similar titles below.