According to what I read on this site, it's about half fake and half real and some of the facts they use are quite old. Hard to really say yes or no to your question. I read a few sites and this one is the most interesting of them. Take a look and see what you think.
Broken Teeth And Fake-umentaries: Another Shark Week ...
www.npr.org/.../broken-teeth-and-fake-umentaries-another-shark-wee.
