Looks at the relationship between predator and prey across a broad spectrum of both land and sea species and the challenges faced by each side of the hunter/hunted equation.

Explores how various forces of nature affect the planet Earth.

Examines the origin and geological evolution of the earth, focusing on the various cataclysmic transformations that occurred through time.

Journey to the top of the world with scientists as they embark on the most ambitious Arctic research expedition of all time. The Arctic - much of it a vast frozen ocean, shrouded in darkness for half the year - is warming at twice the rate as the rest of the globe.

Imagine what it's like to be shrunk down and immersed in a magical world of fantastical creatures living incredible, action-packed lives. With a cast of miniature marvels all less than a foot in size, these superheroes may be small but they pack a punch way above their weight. Chipmunks, elephant shrews, marmosets, scorpion mice, even giant rhinoceros beetles all face drama on a different scale -- when you are this small rain drops fall like meteorites...

Working with conservationists, animal sanctuaries and scientists from around the world, the filmmakers present stories of animal reunions which show that their actions, gestures and perceived intimacy all beg questions about the capacity for animals to remember, feel devotion, longing, happiness, contentment and even love, by displaying their capacity for emotional connections with other animals and human beings.

Bob, host of Underwater World with Bob, is furious with Shark, not only because Shark ate him (admittedly bad manners), but because Shark will not even admit what he did; the ocean may not be big enough for both of them--unless Shark faces up to his bad behavior, stops sulking (and eating the animals on the program, and maybe barfing up his stomach) and apologizes.

Shark interrupts the filming of Underwater World With Bob, scattering the other creatures (and the audience), but he claims it is all a terrible misunderstanding--that he would never think of eating the fish, the squid, the audience...or Bob.

Hard core science is effortlessly integrated with a light-hearted look at how plants behave. Scientist J.C. Cahill reveals an astonishing landscape where plants eavesdrop on each other, talk to their allies, call in insect mercenaries and nurture their young. It is a world of pulsing activity, where plants communicate, co-operate and, sometimes, wage all-out war.

Animals build homes to provide a safe and stable place to raise a family. The three-part series investigates how animals build their amazing homes and the intriguing behaviors and social interactions that take place in and around them. Ecologist Chris Morgan serves as our guide and real estate agent, evaluating and deconstructing animal homes, their material, location, neighborhood and aesthetics.