Every two years off the coast of California, a scene of great white attacks occur. Could it be the same shark again and again? Dr. Michael Domeier returns to Shark Week with experts Ralph Collier and Cal Lutheran to find the answer once and for all.

Shark Week's Paul de Gelder teams up with Dr. Mark Meekan to travel to the sharkiest places in the world, Cobourg Penninsula in Northern Australia. They want to know what happens when 14-foot crocodiles moves into shark infested waters?