Hundreds of elephants descend on the reserve for the breeding season; Saba tracks down the biggest land animals on Earth, the bull elephants.

The dry season becomes Baby elephant Breeze's biggest challenge yet.

There is great excitement in one elephant family in Kenya's Samburu reserve when a new baby, named Breeze, is born.

The fortunes of America's wildlife icons in Yellowstone, the most extensive thermal area on Earth.

"Planet Earth: South Pacific" is a six-part British nature documentary that surveys the natural history of the islands of the South Pacific regions including many spots in New Zealand. The program documents the natural history of the region, the South Pacific spans from the Hawaiian Islands to New Zealand and can be home to a variety of animal life and plant life. Viewers can see in depth looks at how the remote islands were colonized, see rare footage of an underwater volcano erupting, and the varying ecological niches. Hosted by Benedict Cumberbatch.

Uncovering how similar humans really are to animals using a new generation of spy cameras.

Cameras offer incredible views of Galapagos, from erupting volcanoes to stunning vistas and unique wildlife. Viewers can follow Darwin's path as he explored the various islands, observing how nature evolves and adapts to ensure survival. And one episode deals with the most recent threat to these islands -- man.

The planet is teeming with myriad life forms, both plant and animal, all interlocked in a struggle for survival. As time goes on, some living things are forced to adapt and change to survive. This series chronicles some of the most unusual, if not downright bizarre, behaviors that living organisms have devised to keep their species alive. The 11-episode series was four years in the making, taking camera crews to every continent and habitat.