13. African Cats
IMDb Rating: 7.6
When you think about it, there is no major difference between us and animals in terms of basic behavior. If you disagree, this documentary, next on our list of best nature documentaries on YouTube will surely change your mind. It revolves around two cat families who introduce their young ones to the life of wilderness. If this isn’t enough to make you interested, maybe the fact that the documentary is narrated by Samuel L. Jackson and Patrick Stewart will do the trick.