Amazing video footage and computer graphics clearly explain everything. The scope of the video is worldwide. This is documentary film-making at its best.
It’s a shame it’s not more widely known because it is easily as good as (better than, IMHO) PBS/BBC documentaries on the same subject.
It covers the evolution of life on earth by explaining the gradual changes in anatomy (invertebrates to vertebrates, etc).
Fascinating information, first-class photography and graphics, and some of the weirdest-looking creatures you have ever seen!
After seeing this, you will probably have a renewed and more profound understanding of what the animal kingdom represents.