The Kratt Brothers and Zoboo put their heads together with Braniac the really intelligent chimpanzee and build an ""Invisibility Machine."" They meet some other animals with great brains including elephants and crows and discover that all creatures are smart in their own ways.

A cow and her calf wander into Animal Junction and Zoboo decides he better help them find their herd. Martin and Chris tell their lemur pal that cows are bovines, and they have special second stomachs to digest the grass they eat. After giving the cows a feast, Zoboo figures out a way to bring the whole herd to the cow and the calf.

Zoboo and the Kratt Brothers find a snakeskin but it doesn't fit the anaconda in the pool, the rattlesnake sunning itself by the window or even the Burmese python. Finally, Zoboo discovers the owner-a trans-pecos rat snake!

Zoboo is curious about what it's like to be human and a whole class of kindergarten kids arrives in Animal Junction to help him out. There are a few differences, but Zoboo discovers that children and lemurs are a lot alike.

Inspired by a comic book hero, Zoboo becomes a Super Lemur with a little assistance from Muscles and Muscley, two black bear cubs. After Zoboo rescues some kittens, the Kratt Brothers travel to India to find other heroes in the creature world.

Two Siberian tiger cubs arrive in Animal Junction and pounce and pop on every ball in sight as they practice their hunting skills. An effort to make an indestructible superball sends Zoboo and the Kratt Brothers to a place where tigers live-India.

When a snow leopard and Toothbrush the elephant come to Animal Junction, Zoboo is afraid that he will never be a powerhouse like these two creatures until he realizes every creature is a powerhouse in its own way - and discovers his very own power.

With the help of the Kratt Brothers and Toothbrush the elephant, Zoboo learns how animals communicate with each other. While Zoboo does his best to answer all of the letters sent in by kids, Martin and Chris go to India to find out how animals talk to each other in the wild.

After meeting a flying fox fruit bat, Zoboo wants to fly, too, so the Kratt Brothers build him a pair of wings. Zoboo flies to India with Martin and Chris right behind. On the way, they meet vultures and learn some lessons about flight.

It's treasure hunt time in Animal Junction for the Kratt Brothers, Zoboo and all of their creature neighbors. With the help of two fox kits, Zoboo locates the first piece of the puzzle leading them to the treasure but will they find the treasure itself?

Martin and Chris are best buddies and Zoboo wants a special friend he can depend on as well. He meets a sea anenome and a clown fish, some sloths, langur monkeys and chital deer. At last, he finds his own best buddy Shark, the chameleon.

Brainiac, the chimp, and Lost and Found, the Labrador retriever would love to do something fun together. Zoboo first advises playing ball with Lost and Found, but Brainiac is bored because she doesn't like to play. Next Zoboo suggests climbing and swinging all over Animal Junction but this idea makes Lost and Found sad. At last Zoboo comes up with a game they can both play-Wrestle & Chase! Martin and Chris go on a special trip and fall into a river, where they discover an elephant who is delighted to have a bunch of children give him a bath. Animals have feelings, just like people-they just have different ways of showing them.

A big thunderstorm hits Animal Junction and Zoboo sees something frightening in the dark. But the scary creatures are just grizzly bear cubs! Martin and Chris tell their lemur friend all about grizzlies and other animals that seem scary - but really aren't.

Zoboo wants to climb like some visiting kinkajous so the Kratt Brothers create special "Superclaws" for Zoboo to wear. After falling off vines, Zoboo realizes that his own claws - nails really - are just right for a lemur and other creatures have claws just perfect for them.

The Kratt Brothers are taking care of a human baby named Xavier and a baby red kangaroo named Bigfoot, and Zoboo wants to help the two babies grow. Martin and Chris show Zoboomafoo that all creatures grow, but to do so they need food, sleep and exercise.

Zoboo invites a wolverine to live with him in Animal Junction, only to realize that there's not enough space for his new pal. Wild creatures need room to roam.

When a baby African pygmy hedgehog comes to Animal Junction, Zoboo, tries to find the right family for her to live with. The Kratt Brothers explain that there are all different kinds of creature families, and they finally find the perfect family for the baby hedgehog.

The pond in Animal Junction has dried up and two lion cubs and all the animals who live there are thirsty! As water is essential to the animal world, Zoboo does the Malagasy rain dance and the rain finally starts. The Kratt Brothers take a trip to Africa to check out some amazing water creatures.

The Kratt Brothers build a time machine and decide to investigate crocodilians, like the American alligator and caiman, but almost get stranded in the Jurassic period with a hungry T-Rex!

A Gila monster and a snow leopard make Animal Junction a hot and cold place.

Zoboo thinks that if he had armor, like his new African crested porcupine friends, he would be safe as he leapt from place to place. After some unsuccessful armor experimentation with the Kratt Brothers, he realizes that his eyes, ears and brain are the best protection he can have.

When an anteater shows up, Zoboo worries that it will eat a colony of ants living in Animal Junction. He tries to broker a peace agreement between the creatures. Zoboo learns that even though anteaters need ants to survive, ants have many ways of protecting themselves from anteaters. Predation is part of life in the creature world and every creature has what she needs to survive.

Zoboo spies a larva and wonders what kind of legs this animal will have once it grows. Will it have strong legs like a tiger, hundreds of legs like a millipede or long ones like a kangaroo? When the larva finally transforms into a salamander, its legs are like nothing Zoboo imagined they would be!

It's time to clean out the closet but the more Zoboo tries to help, the bigger the mess he makes! No sooner is everything back in its place, than some European wild boars and a capuchin monkey mess everything up again. Zoboo has lots of fun learning how messy and clean means different things to different animals.