In this fun and educational "National Geographic" documentary aimed at kids, a trip to the beach becomes an impromptu lesson in great white sharks for the crew of an alien spaceship. Watch as they learn about the undersea predators' heightened senses and razor-sharp teeth, find out why they don't have bones, and encounter a group of baby sharks who are just starting to swim. Two-disc set.

Creepy they may be, but they're also some of the most fascinating members of the animal kingdom. Kathleen Turner narrates this fun-filled look at bats, snakes, spiders and other fear-inducing critters to find out the truth behind the many myths about them. 33 min. Standard; Soundtrack: English Dolby Digital stereo.

Four-disc boxed set includes "Deep Sea Dive," "Dinosaurs and Other Creature Features," "Swinging Safari," and "Totally Tropical Rain Forest."

Dolphins, whales, and sharks and other aquatic creatures are waiting for you under the waves. 45 min. Standard; Soundtrack: English Dolby Digital stereo.

Amazing critters great and small--from the tyrannosaurus rex of 65 million years ago to modern-day ants, spiders, and lizards--are on display. 47 min. Standard; Soundtrack: English Dolby Digital stereo.

Take the plunge with a polar bear and her cubs, dive in with humpback whales and penguins, and more in a snowy sojourn. 45 min. Standard; Soundtrack: English Dolby Digital stereo.

A trip to Africa gets you up close to elephants, rhinos, cheetahs, crocodiles, and more. 44 min. Standard; Soundtrack: English Dolby Digital stereo.

From jaguars and poisonous frogs to sloths and howler monkeys, the rain forests of South America are home to a diverse range of animals. 40 min. Standard; Soundtrack: English Dolby Digital stereo.