Paul De Gelder returns to Shark Week with Dr. Jonathan Werry and Andy Casagrande to unlock the mysteries of the new great white hotspot, Isle of Jaws. And on their journey, they make a startling discovery that causes them to re-think everything.

Alien Sharks is back on Shark Week to find the strangest shark in the waters. Dr. Craig O'Connoll travels to the Bass Strait for sawsharks, while Victoria Elena Vasquez and Dr. David Ebert go into deep water in Tokyo Bay to find the goblin shark.

Along the coastline of LA, great white sharks are increasing and they seem to be hunting out of season. Dr. Chris Lowe returns to Shark Week to find out why. His investigation takes him to Guadalupe Island, off Mexico, where he finds the answer.