A lion can tear a full-grown man limb from limb with one strike of a paw. But zoologist Dave Salmoni believes humans and lions can learn to live with each other -- and he's willing to risk his life to prove it. Follow Salmoni as he goes deep into the wilds of South Africa, completely unarmed, to see if he can coexist with these carnivorous beasts. Into the Lion's Den offers extraordinary access into the lions' world as Salmoni walks a chilling tightrope between life and death in his attempt to be accepted by the kings of the jungle.

Bonus Feature: Living with Tigers. Ron and Julie, two Bengal tiger cubs born in a Cincinnati zoo, have spent the first three years of their lives being taught new hunting and survival techniques by humans as part of an experiment to save the Bengal tiger from extinction. This fascinating study thrusts viewers into the young tigers' dramatic struggle to survive and explores the complex bond between the animals and their surrogate parents.