In Sharks Up Close with Bertie Gregory, Bertie Gregory heads to South Africa for his most dangerous mission yet: diving ...

Bertie heads to South Africa for his most audacious mission yet. The wild waters here are a hotspot for one of the ocean's ...

Gregory is taking the risk because it’s the best way to see the ocean’s celebrity predators behaving naturally as they hunt ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

As a wildlife filmmaker, Bertie Gregory is always ready for a challenge. But his adventurous streak leads him to unimaginable ...

Bertie Gregory is a wildlife filmmaker who is no stranger to putting himself in harm's way in the name of his craft - and his ...

Patience is a crucial virtue for a cinematographer — in particular for underwater cameraman Dan Beecham. Beecham was part of a team of divers and cinematographers who followed National Geographic ...

Sharks Up Close With Bertie Gregory, Premiere, Saturday, July 5, 8/7c, National Geographic This article first appeared on TV Insider and was syndicated with permission.