Investigating extraordinary feats and strange powers of animals. A look at animals that possess senses more powerful than humans: sharks, dolphins, hippos, parrots, killer bees, rhinos, pelicans and elephants.
Helen looks at volcanoes. With shocking eyewitness footage of eruptions, and new thermal imagery and ultra-high speed photography, we can now capture on camera the complex processes crucial to understanding how and why these forces of nature erupt.
It's time to check up on the Nsefu lion pride as they welcome seven new cubs into the fold, but can these new arrivals survive the hardships ahead? One of the cubs, nicknamed The Dreamer, strikes up a friendship with the awkward, now-adolescent Misfit. Together, they forge a special bond that bodes well for their future. Do these two unlikely friends have what it takes to survive?
Professor Richard Fortey investigates the remains of ancient volcanic lake in Germany where stunningly well-preserved fossils of early mammals, giant insects and even perhaps our oldest known ancestor have been found. Among the amazing finds are bats as advanced and sophisticated as anything living today, more than 50-million-years-later; dog-sized 'Dawn' horses, the ancestor of the modern horse; and giant ants as large as a hummingbird.