NATGEO TV

Authenticating with
provider

Sign Out

Are you sure you want to Sign Out of your provider account?

Unlock full episodes using your participating TV provider subscription.

ActivateLearn More

You are signed in with your provider account and can watch any available full episodes.

Sign Out from providerLearn More

Next airing Fri Jun 15, 8 a.m. ET

Hammerhead Invasion

Zeb teams up with renowned shark scientist, Dr. Tristan Guttridge, who has been conducting research on the annual migration of Great Hammerheads for years and have just recently made a breakthrough discovery.

Full Episodes

View all

Video Clips

View All