Hello World! - Episode Guide

Usher's song ``Stronger'' sets the scene as the sea turtle and red fox demonstrate how adversity only makes them more resilient.

Christina Agueilera's ``Light Up the Sky'' showcases the maternal protection of animals such as the mountain goat and the cheetah.

Tyler's recently released country song "RED, WHITE & YOU," is a perfect backdrop to "Summer Wild." This episode shows how several North American critters–prairie dogs, hawks, and wild mustangs—like to spend their summer vacation.

In "Crazy Love," Goulding uncovers the amazing (and hilarious) lengths some animals go to to attract a mate. Her hit, "Something in the Way You Move," sets the mood for animals as diverse as polar bears and garter snakes.

Jett highlights the stories of creatures we love to hate, such as wolves, alligators and sharks. Her hit song "Bad Reputation", makes the case that for all fear they put into the world, these guys are crucial parts of their ecosystems.

Every animal needs water, yet each creature's search for it is unique. With "Save Me", Matthews follows the stories of rhinos, spadefoot toads and manatees, as they search for the fresh water on which all life on Earth depends.