Bertie Gregory searches for deadly wave-washing killer whales in Antarctica.
Bertie traverses the Galapagos to film three unique animal behaviours on the remote islands.
Bertie tracks and films African wild dogs, one of the world's top predators.
Bertie travels to Patagonia to film the puma known as the "Ghost of the Andes".
Bertie searches the islands of Indonesia for the elusive creatures known as the devil ray.
Bertie travels to the Congo Basin in search of an elusive forest elephant.
Bertie Gregory
Host
Jennie Hammond
Producer
Anwar Mamon
Will West
James Brickell