M4ufree - Watch Bertie Gregory Online for FREE

Bertie dives cage-free with great white sharks in South Africa's waters. While filming these massive predators in their habitat, he learns about their struggles in our changing world.

Bertie arrives in the Serengeti as the spectacular wildebeest migration kicks off. He’s here to film the fastest land animal on Earth: the cheetah. ...

Bertie Gregory heads to the Azores, a vital marine sanctuary and seasonal hotspot for migrating ocean predators. During feeding season, thousands of elusive hunters gather to feast on massive bait balls. Battling storms and scanning vast seas, Bertie races against time to capture the most epic feeding frenzy of his career.