Alice Orszulok

Dr. Riley Elliott returns to Australia's Norfolk Island with underwater cinematographer Kina Scollay to see what happens when the island's tiger sharks go head-to-head with migrating great whites over an unusual food source: cow carcasses.

Even the biggest, fastest and fiercest predators start as babies. Baby sharks are cute, but they need to grow up fast because out of more than 500 species of sharks, not one parent sticks around to help raise them. Sharks are found in every ocean across the planet and have evolved in extraordinarily different ways to carry their young and give birth and for baby sharks to thrive.

A year in the life of Kakadu in Australia's Top End. Aaron Pedersen explains the six seasons recognised by the Bininj people and reveals the web of relationships between its species and the environment.