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When a young heiress dies of an apparent drug overdose, Lupo and Bernard begin to suspect her cousin, whose inheritance increased after her death.

A man's double life comes to light after he is stabbed to death.

A man's double life is discovered after he is stabbed to death; a reality TV crew finds a dead body locked in a dog cage.

As the spring melts the winter snow, the herds of elk, pronghorn and bison return from their winter feeding grounds to take advantage of America's richest natural grasslands.

David Attenborough reveals why forests are the ultimate test of survival for mammals and how they have overcome the challenges of life in this multidimensional, complex and continually changing environment.

By pushing themselves and their bodies to the absolute limit, mammals like the camel, echidna, and vampire bat have found remarkable ways to beat the heat, surviving in some of the hottest places on Earth.

From ice covered seas to snow-capped mountains, mammals have conquered the cold, living in the most inhospitable places on Earth thanks to their intelligence and adaptations.

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found ways to overcome the challenges of a life in water.

With heightened senses verging on superpowers, over two thirds of mammal species are creatures of the night with some even returning to the dark side as their daytime world gets more and more crowded.

Mammals have mastered every environment on Earth, but today the planet is changing rapidly, thanks to one mammal in particular; as humans reshape the planet, mammals must change with it and find surprising ways to survive this new wild.

Even though the population is increasing, Africa has not lost its largest animals; learning lessons about preserving species.

In Africa's rainforest, animals find ingenious ways to make a life in a claustrophobic, dangerous landscape.

In the constantly changing climate of east Africa, creatures must be able to deal with unpredictable elements.

The vast wilderness of the Sahara desert, in the northern part of the continent, is the toughest part.

Two ocean currents sweep around and shape the continent's Great Cape; Southern Africa is a riot of life and color.

Deserts sit side-by-side in the southwest corner of Africa, and in spite of the lack of water, they are teeming with life.

Leopard Mutima's relationship with her mother is at breaking point, and as the balance of power in Nsefu tips towards the lions, the hyena and wild dogs fight to raise their young.

Fifteen years after Hansel (Jeremy Renner) and Gretel (Gemma Arterton) defeated the wicked witch who planned to have them for her dinner, the siblings have come of age as skilled bounty hunters. Hell-bent on retribution, they have dedicated their lives to hunting down and destroying every witch still lurking in the dark forests of their homeland. As the notorious blood moon approaches, the sibling

Leopard Mutima's relationship with her mother is at breaking point, and as the balance of power in Nsefu tips towards the lions, the hyena and wild dogs fight to raise their young.

A comet is hurtling toward Earth and could mean the end of all human life. The U.S. government keeps the crisis under wraps, but crack reporter Jenny Lerner (Tea Leoni) uncovers the truth -- forcing U.S. President Beck (Morgan Freeman) to announce his plan. Grizzled astronaut Spurgeon "Fish" Tanner (Robert Duvall) and his team will land on the comet and lay explosives, hopefully deterring the obje