Great Hammerhead Invasion
Season 29 • Episode 6
Early November, pregnant giant hammerheads arrive off Bimini, in the Bahamas and Shark Week's Dr. Tristan Guttridge wants to know why? And he and his team even perform the world's first ever ultrasound on hammerheads to find the answers.
41 min|TV-PG|Premiered 07/24/2017