(Airs Sunday, June 27) After a lion kills cheetah cubs Toki and Sambu's mother, veteran wildlife filmmaker Simon King assumes the parenting responsibilities for the orphaned cats.

NATURE goes behind the scenes of The Cheetah Orphans in an interview with filmmaker Simon King.

Toki and Sambu make the crucial transition to hunting on their own.

Download cheetah wallpaper for your desktop.

Cheetahs face tough challenges in the natural world, and the survival of the species is in doubt. So what makes a successful cheetah rehab program?

Simon King was determined to raise the odds for Toki and Sambu, but he knew the task would not be easy given the threats to the orphans.