A Hammerhead shark swims past crew. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0049.jpg
The OceanXplorer's helicopter flies low over the coastal waters of Bimini. (National Geographic/Paige McGarvin)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0059.jpg
Matt Smukall, Erin Spencer, Zoleka Filander, Eric Stackpole, Aldo Kane and crew debrief after a great hammerhead tagging trip. (National Geographic/Paige McGarvin)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0058.jpg
The OceanXplorer sits off the coast of Florida. (National Geographic/Mario Tadinac)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0057.jpg
Shark ecologist Erin Spencer waits for the rest of the crew to join a great hammerhead tagging trip. (National Geographic/Mario Tadinac)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0056.jpg
Matt Smukall, Zoleka Filander, and Eric Stackpole sit at the ocean floor while Crew Steve Hudson lures sharks with a bait box. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0055.jpg
A Hammerhead shark swims off the coast of Bimini, Bahamas. (National Geographic/Mark Wheeler)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0053.jpg
A Hammerhead shark swims off the coast of Bimini, Bahamas. (National Geographic/Mark Wheeler)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0052.jpg
Matt Smukall sets up a camera on the tag as crew feed a Hammerhead in the background. (National Geographic/Mark Wheeler)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0051.jpg
A hammerhead shark laying on the ocean floor.(National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0050.jpg
The OceanXplorer from above, floating off the coast of Bimini, Bahamas. (National Geographic/Paige McGarvin)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0060.jpg
A Hammerhead shark swims off the coast of Bimini, Bahamas. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0048.jpg
A Hammerhead shark swims over the crew. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0047.jpg
Matt Smukall attempts to tag a hammerhead shark underwater. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0046.jpg
A Hammerhead shark swims next to a diver. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0045.jpg
A Hammerhead sharks swims next to diver Matt Smukall. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0044.jpg
Crew Nuno Sa scuba dives with a camera underneath the boat. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0043.jpg
Crew photographers David Reichert and Nuno Sa swimming underwater. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0042.jpg
An aerial view of Bimini, Bahamas. (National Geographic/Paige McGarvin)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0041.jpg
The OceanXplorer off the coast of Bimini, Bahamas. (National Geographic/Paige McGarvin)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0040.jpg
The team float off the coast of Florida after successfully managing to pull up, measure and tag a great hammerhead shark in under five minutes, a fantastic achievement to limit stress to the animal. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0003.jpg
Erin Spencer and Zoleka Filander review the footage of a great hammerhead predating a stingray. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0012.jpg
Matt Smukall and Eric Stackpole wade in the water with southern stingray, a favorite prey of hammerhead sharks. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0011.jpg
Aldo Kane takes a closer look at the great hammerhead's cephalofoil, a uniquely evolved, hammer-shaped head that gives the shark several evolutionary advantages. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0010.jpg
Aldo Kane, Eric Stackpole and Matt Smukall are in the OceanXplorer's Hololab to explore the anatomy of the great hammerhead shark, taking a closer look at its cephalofoil. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0009.jpg
Aldo Kane, Eric Stackpole and Matt Smukall are in the OceanXplorer's Hololab to explore the anatomy of the great hammerhead shark. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0008.jpg
Zoleka Filander looks out of one of the OceanXplorer's submersibles, slightly anxious as they pass through the Gulf Streamñthe fastest flowing ocean current on the planet. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0007.jpg
One of the OceanXplorers submersibles gradually makes its way up a pinnacle, as the team explores every crack for signs of migrating sharks. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0006.jpg
Matt Smukall and Zoleka Filander look at one of the 100m towering pinnacles surrounding Bimini. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0005.jpg
Zoleka Filander and Matt Smukall get ready to head down in one of the OceanXplorers submersibles to explore one of the recently discovered pinnacles surrounding the island of Bimini, in the hopes of findings signs of migrating great hammerheads. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0004.jpg
A submarine is lowered by crane into the water. (National Geographic/Paige McGarvin)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0039.jpg
Matt Smukall, Aldo Kane, Erin Spencer and Eric Stackpole take measurements of the great hammerhead shark they have just pulled up. They will attach a video and accelerometer tag to further measure its movement metrics. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0002.jpg
Shark biologist Matt Smukall, Aldo Kane, Zoleka Filander, Shark Ecologist Erin Spencer and Eric Stackpole tag a great hammerhead shark to gain insight into its movement in the water column. (National Geographic)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_UHD_0001.jpg
A great hammerhead cephalofoil. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0066.jpg
A safety diver holds a pole to deter unwanted attention from sharks. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0065.jpg
Divers swim with great hammerhead sharks off the coast of Bimini, Bahamas. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0064.jpg
Matt Smukall tags a great hammerhead shark. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0063.jpg
A great hammerhead shark swims off the coast of Bimini, Bahamas. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0062.jpg
A great hammerhead shark swims off the coast of Bimini, Bahamas. (National Geographic/James Loudon)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0061.jpg
Aldo Kane and Matt Smukall prep for a dive off Bimini, Bahamas. (National Geographic/Mario Tadinac)Episode: #4 "Hammerhead Highway"Air Date 08/25/2024101_HammerheadHighway_OceanXplorers_0009.jpg
