This episode features animals from Africa, primarily in the Serengeti, but also the jungles of mid-Africa and the Kalahari Desert including Botswana's Central Kalahari Game Reserve. These animals include elephants, hippos, rhinos, giraffes, zebras, chimpanzees, colobus monkeys, meerkats, cheetahs, and lions. The law of survival and the food chain are also emphasized. Jane Goodall and Daphne Sheldrick appear.

There are five songs. The 1st is about lions ("Hey Lion"); the 2nd is about baby animals ("Young Thing"); the 3rd is about how humans, monkeys, and apes are related ("Family"); the 4th is about zebras ("Stripes"), and the 5th is about Africa's beauty ("The Heart That Beats in Africa") sung by Dorian Holley.

In this episode, the animals of Australia are examined. The theme of "weirdness" among Australia's creatures (compared to the rest of the world) is explored by looking at mammals, birds, and reptiles. The kangaroos, mudskippers, quolls, fruit bats, echidnas, platypuses, riflebirds, bowerbirds, lyrebirds, emus, malleefowls, frilled lizards, water-holding frogs, dingoes, Tasmanian devils, flying possums, numbats, thorny devils, and koalas are featured.

This episode plunges into the world's oceans and explores underwater life. Key destinations include the Great Barrier Reef and Antarctica. Some of the animals featured are dolphins, octopuses, seahorses, fish, cuttlefish, jellyfish, sea otters, sharks, emperor penguins and whales. It also attempts to capture the wonders of the sea and the importance of protecting it from pollution.

There are five songs. The 1st is about water ("Water"); the 2nd is about strange animals that live deep in the sea ("City of the Creeps"); the 3rd is about the importance of keeping the water clean ("If the Water is Clear"); the 4th is about animal movement ("It's in the Way You Move"); and the 5th is about the "real" underwater treasure, all the wildlife ("I Found a Treasure").

This episode shows an in-depth look at the rainforests of Central and South America. It's structured around a journey through the layers of the forest, from the floor to the mid-layers to the canopy. During this journey the jaguar, tapir, leafcutter ant, howler monkey, basilisk lizard, poison arrow frog, parrot, tarantula, harpy eagle, piranha, vampire bat, hoatzin, uakari, three-toed sloth, and river dolphin are among the animals shown. Environmental issues surrounding deforestation are also looked at.

There are four songs. The 1st is about all the life that lives in the rainforest ("Greenhouse"); the 2nd is about the importance of finding food and the food chain ("What Do You Want for Lunch"); the 3rd is about the rainforest canopy and all the birds that call it home ("Bird's-Eye View"), and the 4th is about the importance of keeping the rainforest safe ("This Must Be the Place").

This episode looks at North America's ecosystems from its deserts and swamps to its cities and tundra. Ground squirrels, rattlesnakes, beavers, raccoons, woodpeckers, corn snakes, alligators, red-bellied turtles, Arctic wolves, musk oxen, polar bears and black bears are all featured. The film's diversity of the North American landscape and how its animals have adapted are key points.

The immense continent of Asia is explored. With such a large area to cover, Spin jumps from one place to the next, including the tropical islands of Indonesia, the Arabian Peninsula, Russian mountains, Japanese mountains, Indian jungles, and Chinese forests and mountains. Some of the featured animals are the sea snake, white-bellied sea eagle, snow monkey, proboscis monkey, mudskipper, fiddler crab, dhole, Asian elephant, tiger, Komodo dragon, cobra, Arabian oryx, ibex, camel, garden eel, manta ray, giant panda, crane, swiftlet, and orangutan. The difference between myth and reality is tested in uncovering the lifestyles of all these creatures.

In this episode, Spin takes a trip to the Arctic and Antarctic. Animals such as polar bears, walruses, orca whales, caribou, musk oxen, Kodiak bears, arctic terns, penguins, seals, and humpback whales are explored. Additionally, they examine the three ways animals survive the harsh cold: hibernation, insulation, and migration.

Spin looks at dogs and tries to determine if there is a link between wild and tame dogs. The 1st song is about why dogs do what they do ("Hey Dog"), and the 2nd is about dogs' loyalty ("Best Friends").

Spin examines cats and learns that no matter how tame, they're always wild. The 1st song is about cats having an attitude ("The Cat's Got an Attitude"), and the 2nd is about how they're wild inside ("Wild Inside").

Spin examines dinosaurs such as Hadrosaurs (Duck-Billed Dinosaurs), Struthiomimus, Tyrannosaurus rex, and Dromaeosaurs (Raptors), and tries to answer the questions surrounding them, including how they became extinct, and if relatives still exist such as alligators, snakes, Komodo dragons, lizards, ostriches, and cassowaries. The 1st song focus on dinosaurs ("Dinosaurs"), and the 2nd shows how their modern-day relatives still "rock our world" ("We're Gonna Rock Your World").

Spin looks at some of the world's creepiest creatures, such as vampire bats, ants, flies, spiders, vultures, and dung beetles. He shows that no matter how scary they are, they all play an important part in the world. The 1st song is about how creatures are creepy and intriguing ("Creepy Creatures"; animation by Jim and Vezna Tozzi), and the 2nd is about how important they are ("Keep on Creepin' On").

Spin looks at primates, including gibbons, langurs, bush babies, aye-ayes, capuchins, and baboons. He also explains that primates are our distant relatives. The 1st song is about all primates ("Primates"), and the 2nd is about gorillas, our "gentle brothers" ("Gentle Brother").

Spin looks at animal families, including elephants, bullfrogs, ostriches, octopuses, albatrosses, and sea turtles and shows they're not all that different from human families. The 1st song is about how curious animal children are ("I'm Curious"), and the 2nd is about how important families are ("You're My Family").

Spin looks at farm animals, such as turkeys, pigs, sheep, horses, and cows, and examines their wild relatives, such as dall sheep, wild turkeys, warthogs, and zebras, from all over the world. The 1st song is about all the animals on the farm ("Farmer, Farmer"), and the 2nd is about whether the viewer would be wild or tame ("Would You Rather be Wild, Would You Rather be Tame").

Spin looks at humans helping endangered animals, how animals rescue people, and if people work together to save animals, they'll prevent them from becoming extinct. The 1st song is about help being available for animals ("Help is on the Way"), and the 2nd is about humans working to save animals ("Safe at Last").

It shows how animals build their own homes, such as termites, beavers, orb-weaver spiders, swiftlets, bees, silkworms, caterpillars, weaver birds, naked mole rats, and ospreys, and explains that they build their homes to have families. The 1st song is about the different kinds of animal homes ("Anything to Make it Home"), and the 2nd is about why animals build homes ("I Am an Architect").

Spin is a spy who is trying to find out how some animals have ways to defend themselves, such as frilled-neck lizards, poison dart frogs, owl butterflies, green tree pythons, Hemisphaerota beetles, army ants, skunks, Surinam toads, black widow spiders, bombardier beetles, mantis shrimp, cobras, tomato frogs, cone snails, and puffer fish, and finds out why animals need defenses. The 1st song is about animals having secret defenses ("I've Got a Secret"), and the 2nd is about animals needing to watch out for other animals' defenses ("Trick of the Trade").

Spin shows animals that live on certain islands, such as lemurs and chameleons in Madagascar, Marine and land iguanas on the Galapagos, Tasmanian devils and quolls in Tasmania, gannets and keas in New Zealand, fur seals on the Juan Fernández Islands and eastern rockhopper penguins with Snares penguins in Snares Island, and shows how unique they are. Footage of New York City and its Twin Towers are shown, as well as the Herons and egrets on the harbor's islands. Both songs are about islands and how unique they are ("Welcome to the Islands" and "It's a World Within a World").