Take a look at the science that hints at a new ninth planet, and tag along with Mike Brown and his team from CalTech on their first night searching for it at the Subaru Telescope in Hawaii.

Embark on an epic and heartwarming journey across the globe celebrating the extraordinary abilities of horses and their inseparable bond with humanity.

Nature has orchestrated a perfect symphony in which every species has a very distinct role to play in a larger story - the balance of an entire ecosystem. We'll see it through the eyes of the youngest members of our animal cast as they imitate their parents and learn about the mighty roles they'll play.

Join Big Bird and Elmo as they explore the night sky with Hu Hu Zhu, a Muppet from "Zhima Jie," the Chinese co-production of Sesame Street. Together they take an imaginary trip from Sesame Street to the moon, where they discover how different it is from Earth. They also journey to Zhima Jie to learn about the similarities in our view of the sky.

Celeste will join Moon in a journey through time. An exciting adventure that will show them the Earth as it was in the very, very distant past.

The great ocean currents are the arteries and veins of Planet Earth! This is the story of one particularly fascinating flow - the East Australian Current, a massive oceanic river that stretches the length of Australia's east coast.

What can you see when you look up into the sky at night? Join us on an interstellar tour to learn how to find stars, constellations, and planets in our local night sky, and get inspired by the many wonders our universe has to offer.

For over a hundred years, dinosaurs have captivated audiences in museums and at the box office, with one towering above the rest - the Tyrannosaurus rex. Advances in CGI wizardry and breakthroughs in tyrannosaur paleontology over the past 25 years have set the stage for a fresh look at the "king," from its early years to its prime.

Take a look at the science that hints at a new ninth planet, and tag along with Mike Brown and his team from CalTech on their first night searching for it at the Subaru Telescope in Hawaii.

Embark on an epic and heartwarming journey across the globe celebrating the extraordinary abilities of horses and their inseparable bond with humanity.

Nature has orchestrated a perfect symphony in which every species has a very distinct role to play in a larger story - the balance of an entire ecosystem. We'll see it through the eyes of the youngest members of our animal cast as they imitate their parents and learn about the mighty roles they'll play.