News from Nature
Ethiopia's Rift Valley seems a barren landscape, but it hides untold archaeological riches. Dig in with Wild Chronicles and National Geographic researcher Zeray Alemseged and unearth a three-million-year-old baby. This historic discovery of tiny bones may shed new light on man's ancestry.

Crittercam®
Off the southern coast of Florida, nurse sharks wrestle for love. Not much is known about the mating habits of sharks and many shark populations are plummeting. Two dedicated researchers employ Crittercam® to unravel the nurse shark's mating mysteries while there's still time to make a difference.

Adventure and Exploration
Linking two continents and dividing two oceans, Panama's Darien is a small spit of land, but a challenge to cross. Almost 500 years ago the explorer Vasco Nunez de Balboa made the trek through the Darien's steamy jungle, becoming the first European to see the Pacific Ocean. Today, an American adventurer attempts to follow Balboa's footsteps, from sea to shining sea.

Stories from the Wild
At Jasper National Park, high in the Canadian Rockies, spring is a full, fragrant bloom: food is plentiful and new life emerges. But spring does not come easily, and for newborn youngsters dangers abound. Many must learn to run first and ask questions later.

Sunday, 10/15 from 7:30-8 p.m. ET