In Australia, sharks have recently been recorded with unusual prey-including other sharks. In order to figure out what has caused this shift in diet, Dr. Charlie Huvaneers and team head to shark infested waters to find out what's in the … Charlie Huveneers, Austin Gallagher, Anton Covino, Lauren Meyer Added on HBO 2023-07-18.

Marine biologist Dr. Austin Gallagher searches for the holy grail of shark research -- the secret breeding grounds of tiger sharks. Mike New, Added on Disney 2021-05-29.