National Geographic
Investigating Shark Attacks
Disney+

In this thrilling exploration of shark behavior, scientists Dr. Mike Heithaus and PhD candidate Sarah Casaretto investigate why sharks often approach and sometimes attack boats. The episode begins with dramatic encounters, including a great white shark circling a fishing boat and a bull shark aggressively ramming into a canoe. Through firsthand accounts and expert analysis, viewers learn that sharks are attracted to boats due to sounds, vibrations, and the scent of bait. The researchers conduct experiments to understand the role of electrical fields emitted by boat engines, which can confuse sharks into thinking they are prey. They also observe how individual shark personalities influence behavior, with some being bold and aggressive while others remain cautious. The episode highlights a rare incident in Tasmania where a boy was pulled from a boat by a shark, emphasizing the unpredictable nature of these encounters. Ultimately, the scientists conclude that while sharks can exhibit aggressive behavior, many interactions are driven by curiosity or the search for food rather than true attacks. This engaging episode offers a fascinating look at the complex relationship between sharks and humans, encouraging viewers to appreciate these incredible creatures while understanding the dynamics of their behavior.