Scientists embark on an expedition to film bizarre, deadly and extremely rare sharks of the deep sea. Their search reveals species that have changed little since the Jurassic era, and leads them to an encounter with one of the world’s rarest sharks.
EPISODE 1
Alien Sharks: Stranger Fins
Experts seek the world's strangest sharks, from scouring the Bass Strait for sawsharks to delving into deep water in Tokyo Bay to find the goblin shark.