Shark: Beneath the Surface

Bertie Gregory travels the world to show animals' lives like never before.

A major wildlife series on the sharks of the world with over thirty species filmed, showing how they hunt, intricate social lives, courtship, growing up and the threats they face.

In Mexico’s Pacific waters, Bertie Gregory goes in search of one of the ocean’s most iconic predators: the hammerhead shark. Once abundant in these seas, hammerhead numbers have plummeted, making sightings increasingly rare. Bertie investigates what’s driving the hammerhead decline, and how protected waters offer hope for the future. His journey culminates in a rare and unforgettable encounter that shines a light on the future of one of the world’s most famous sharks.

Bertie heads to South Africa for his most audacious mission yet. The wild waters here are a hotspot for one of the ocean’s most famous and feared predators, the great white shark. Diving in the shallows without a cage, Bertie will attempt to film these huge sharks. By entering their domain, he discovers the challenges they face on our rapidly changing planet.

Taking to the skies with the latest drones to give SharkFest a fresh perspective, with eyes in the sky, they will reveal shark action from above.

Two teams of experts go to extraordinary lengths to take shark science into the wild as they investigate two of the most iconic shark superpowers - speed and bite force.