A look at how a dung beetle standing on its head can roll a ball in a straight line; if egrets ever regret hanging out next to hungry alligators; and what ghostly creature was caught on camera 3000 feet below the ocean's surface.
The first episode introduces the viewers to the continent of Antarctica and the surrounding sea and islands, its glaciers and the icebergs that form from it. It describes how the continent changes throughout the seasons, as it effectively doubles in size in winter when the surrounding sea freezes over, "the greatest seasonal change that takes place on this planet".
In southern Israel, two vastly different worlds live side-by-side. A tropical sea and ancient coral reef teem with aquatic life alongside a harsh desert landscape filled with hardy reptiles and alien acacia trees. Venture into a part of Israel that few people imagine exists.