Release Message:  Nigel and his team go through the time portal to Sounth America 1 million years ago in search for the gigantic Smilodon. He speculates that specialization may have wiped out the big cat.

Description:  Nigel and his team go through the time portal to Sounth America 1 million years ago in search for the gigantic Smilodon. He speculates that specialization may have wiped out the big cat.