About this season
A deep dive into the enigmatic world of water. From our vast, powerful ocean to dynamic life-giving rivers, nurturing lakes and the ghostly world of our mysterious swamps, we explore the charismatic characters and intricate stories of the wildlife that call each of these water bodies home. Through their connection to these contrasting habitats, we reveal the many secrets to how water shapes all life on Earth.
Episodes (6)
1. Oceans
Aired 7 December 2025 • 48 min
Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.
2. Coasts
Aired 14 December 2025 • 48 min
Venture along Earth's coasts, where colliding worlds create a melting pot of biodiversity. Watch orcas hunt with precision, hold on as guillemot chicks take leaps of faith, crawl to safety with turtle hatchlings and see crabs sculpt sandy galaxies.
3. Rivers
Aired 21 December 2025 • 48 min
Trace dazzling waterways all over the world, from volcanic rivers in Russia's far east to geothermal streams in Florida. Watch as beavers transform entire landscapes with their well-engineered dams, then enjoy a winter spa day with manatees.
4. Lakes
Aired 28 December 2025 • 48 min
Journey through mystical lakes, where life adapts, survives and transforms. Witness the power of ancient beasts like the snapping turtle and walk tall with flamingos as they brave burning, corrosive waters.
5. Swamps
Aired 4 January 2026 • 48 min
Unmask the eerie beauty of swamplands, which have inspired centuries of folklore and serve as a vital link between life and death. Swim with hungry crocodiles, see deer gamble with their lives for food and watch carnivorous plants snap up prey.
6. Frozen
Aired 11 January 2026 • 48 min
Freeze time as water becomes a force of change in Earth's most frigid ecosystems. Hunt for unsuspecting seals with polar bears, bathe in natural hot springs with macaques and try out a unique survival strategy with Arctic foxes.