A look back at the Four Hills events, which featured the world's leading ski jumpers in action.
Animation about a boy who finds a gem with unknown powers in his belly-button.
Leading scientists provide an insight into gender identity, and examines the role politics and culture play in shaping views of the issue.
Gender Revolution: A Journey with Katie Couric
A polygamous sect led by Warren Jeffs, accused of money laundering. It was claimed that the sect based on the Utah-Arizona border diverted funds from Utah's nutrition assistance program for inappropriate use by its leaders.
Evil Lives Here
The work of a highly efficient animal rescue group whose members were all once Navy Seals, Marines, undercover cops or private investigators. Last in the series.
Guardians of Rescue
A camera crew observes bears in their natural habitat along Canada's Pacific coast, as they feed on salmon and gain weight for their long winter hibernation.
Feast of the Grizzly
Dallas Campbell reveals the painful potential of disasters involving cornering on a bicycle, jumping off a boat, and attempting a tablecloth pull.
Science of Stupid
The family prepares for Halloween, decorating the house and shopping for costumes and pumpkins before taking the girls out trick or treating.
Outdaughtered: Busby Quints
Mike and Frank pick New York City for the first time and go back to the future at a sprawling computer store packed with a mind-blowing stockpile.