Monster Hammerheads: Killer Instinct

Dr. Tristan Guttridge believes hammerhead sharks can reach monster sizes by hunting other sharks -- but the only way to prove it is to get tissue samples from some of the largest sharks on the planet.

Cast:Tristan Guttridge , Annie Guttridge , Khrys Carroll , Skye Minnis , Rontaa Bain , Andy Casagrande , Emma Casagrande , Philip Matich , Mocean Melvin