From two-inch turtle hatchlings to 24-metre blue whales, Australia is home to the most diverse and charismatic marine life on the planet. Presenter, Lizzie Daly embarks on an epic road trip from the cold water shores of South Australia, to the tropical reefs of northern Queensland and the wild currents of Western Australia.

Making her way around the coast, exploring some of the richest and most isolated seas in the world, Lizzie meets a host of incredible creatures, and the incredible people protecting them. Consulting marine specialists and indigenous rangers alike, Lizzie gets an extraordinary insight into the unique ecology of Australia as she discovers what makes these waters so special.