It was entertaining enough but for me it was a slightly dissapointing. There was hardly any mentioning as in wich era or epoch the events took place. The millions of years are mentioned but not if it was the Silurian or the Carniferous or Plioceen, to name a few. Furthermore there were too much images of modern animal life. The prehistoric life was ofcourse GCI but I've seen better in BBC documentaries. Morgan Freeman does a good job narrating this series but he is certainly no David Attenborough. All in all it was a good production but could've been better and even great if they showed more prehistoric life and less contemporary ones in this tale of the evolution of life on earth.