When Sally and Nick run out of honey, the Cat knows just where to go to get more. They visit Queen Priscilla Buzzoo, the honey bee who invites them to join in the honey dance to learn how to make honey.

In Sally's backyard, the purple martin has gone missing—and with the help of a variety of forest creatures, The Cat takes Nick and Sally to track down the bird; it teaches them how and why birds migrate.

When Nick wants to stay awake all night, the Cat takes Nick and Sally to Wagamaroo on a nocturnal adventure to see a variety of night animals (such as a bat, an owl and an opossum).

Nick has a super-duper special shell and Sally also has one—The Cat in the Hat takes them on an adventure to the beach where they meet Tucker, the hermit crab, who is also looking for a new shell because he's grown too big for him, both Tucker and Sally now have super duper special shells at a seaside fashion show in its first edition.

Nick and Sally are trying to put up a tent in their backyard but it's not working: Nick is pulling when Sally is pushing and it's just making a giant heap. Good thing the Cat knows millions of friends like ants who are experts at teamwork; he takes the kids to visit an ant colony. In the colony, Nick and Sally learn teamwork makes almost anything possible.

Nick and Sally have found some bird eggs in their backyard, but their nest is destroyed... until the Cat finds out the place that they are going to keep them. He takes them to meet an expert nest builder, Mrs. Robin the robin who shows the children how to build a nest especially for the homeless eggs.

Nick and Sally are playing in their sandbox but there isn't enough room for them to build their sandcastles. The Cat takes them to the biggest sandbox ever made and meet Carmela the camel. She teaches them about how camels are adapted to live in the dry, sandy climate.

Nick and Sally make a song to their moms but can't get the end almost right. The Cat takes them to meet the best singing teacher in the world who is Humphrey the humpback whale. While bobbing in the ocean, Humphrey teaches the kids that whales communicate by singing—and that it's not how you sing that matters but what you're saying in song. Back home, Nick and Sally delight their moms with their song production.

When Sally's mom has a cold, Sally herself wants to pick some colorful flowers to make Sally feel better. The Cat in the Hat takes Nick and Sally to the forest of Flora-Fah-Zoom where they meet three different creatures, like a hummingbird, a litter frog, and a butterfly that all depend on flowers to live. Sally decides to make her mother a picture of the flowers they have encountered in Flora-Fah-Zoom instead of picking a flower that animals need in order to survive.

Sally and Nick have just finished making a statue of the Cat in the Hat out of snow, but it's starting to melt... Good thing the Cat knows where to take the melting snowman in the cold and snowy north: in the arctic, the kids skate on a frozen lake, make snow sculptures, and learn that water can freeze and melt when it's cold or warm outside. Because it’s getting warmer back home, they leave their snowman sculpture there so they can come back and visit him along their way.

Nick and Sally are playing dress-up but something's wrong with it: Sally's princess dress has torn (and Sally's mom doesn't have any silk thread to fix it). The Cat takes them to see his good friend Mindy, the silkworm who shows them how she makes silk by leaving out the cocoon. Sally uses the silk thread to fix the "swirly-twirly" princess dress to finish dress-up.

Nick and Sally have been playing in the mud, and now they need to get clean. The Cat in the Hat knows some friends who have some very wonderful ways to bathe. In Bana Bana Savanah, they meet three different animals, like a lion, a sparrow, and a hippopotamus who all keep clean in very different ways. Even though it's fun to try bathing the way the animals do, Sally and Nick decide that good old soap and water works best for them!

Sally and Nick are playing up in their tree house when Nick's mom calls them in for lunch: Nick wonders what it would be like to stay up in that tree all the time... The Cat in the Hat knows, or at least he has friends especially (a capuchin monkey, a tree frog and a boa snake). In the Jimmer-Jammer Jungle the kids learn how different animals spend their entire lives in trees and so there's one thing those trees don't have—especially coming in.

Nick and Sally play hide-and-seek but Sally keeps getting found. The Cat takes the kids to meet the best hider ever, his friend Mr. Gecko, the gecko: through a game of hide-and-go-seek in the jungle, the kids learn how Mr. Gecko not only hides, but how he runs and climbs. Now Sally knows how to camouflage herself so she isn't found—as usual.

Jump!: Nick and Sally can't jump high enough to get their balloon that is stuck up in a tree. Good thing The Cat knows some of the best jumpers ever! Off they go to Jumpalaroo to learn how to jump from nature's masters: grasshoppers, a kangaroo, and even a flea! Slow Down for Sloths: Nick and Sally are trying to draw a picture of a butterfly but can't get close enough to see it. Cat takes the kids to meet Onslow the sloth, who teaches them that when you slow down, the world comes to you. After lots of practice (and a race to see who's the slowest!), Nick and Sally are...

Nick has grown out of his favorite sweater and he doesn't want to part with it. The Cat in the Hat has a friend with the exact same problem. He brings them to meet Slyde the coral snake who shows Nick and Sally how he sheds his skin when it gets too small for him.

Nick and Sally are playing Pin the Tail on the Donkey, when they wish they had tails of their own. Luckily, the Cat knows a lot about tails and brings them to the Jungle of Wagga-Tag-Tail where they meet a number of animals with very different tails (such as a squirrel monkey, a quetzal and a rattlesnake). With the help of an ingenious machine, Nick and Sally get to test out all of these tails for themselves and they learn that different tails can do different things.

Sally and Nick are playing the drums on overturned buckets when Nick breaks his drumstick. The Cat knows someone who is a stick expert, his friend Betty, the beaver, who finds Nick the perfect drumstick, but when the dam springs a leak, Nick, Sally and the Cat help Betty fix it, using Nick’s new stick. Instead of a stick, Nick learns an even better way to drum: using a home-made beaver tail—as expected.

Nick and Sally are making shadow puppets with the Cat in the Hat but the batteries in the flashlight have gone out... they jump into the Thingamajigger and shrink down to visit the fireflies that live in the backyard. They learn that the fireflies communicate by flashing their lights. When the fireflies provide the light the kids need, the shadow puppet show can continue as expected.

Nick, Sally and the Cat have been invited along on a snail expedition and they jump into the Thingamajigger and shrink down to meet up with Lewis and Clark, the two snails that lead the way... through the forest of Slippity-Goo (a place with fun sliding in their own makeshift shells), the kids learn about all the different ways snails use their shells.

Sally and Nick are pretending to fly in their backyard... if they really were going to be zooming and swooshing like a bird. The Cat in the Hat brings them to meet his good friend Percy the penguin. After a fun race with a penguin and a seagull, the kids learn that not all birds fly, but that doesn't mean they can't go zooming and swooshing.

Sally, Nick and the Cat are trying to fly a kite but don't have enough wind. The Cat in the Hat takes them to Huff-Puff-Maguff where there's so much wind, their kite gets away from them... until they chase the runaway kite, using the wind to help them. When they finally reach it, the breeze helps to cool them down—as expected.

Nick and Sally are planning to put on a show for their moms but can't finish the dance without falling down. The Cat in the Hat takes them to meet one of the best dancers in the world, Tango, a bird-of-paradise. With a few costume-changes and a little practice, Nick and Sally are finally able to show their moms without falling down their new dance.

Sally and Nick are playing a game of blindfolded tags but can't seem to find each other. Luckily, the Cat has a friend who is always able to find his way in the dark. He takes them to meet Zapata, a bat who teaches the kids about animal echolocation. Now that Nick and Sally know how to listen to find their way, the blindfold tag has become a lot more fun as expected.

Nick and Sally pretend to be pirates until the Cat takes them on a "real" pirate adventure by following a treasure map, using landmarks to find their way to a real pirate treasure: parchment paper and ink pens to make pirate maps of their own in the ship.

When Sally and Nick can't keep their block tower from toppling over, The Cat in the Hat takes them to meet expert tower builders: the termites who, after shrinking down to bug-size, learn from Terry, the termite, how to build a tower that doesn't wiggle (not even wobbling at the same time). However, Raymond, the mole-rat keeps knocking over the termite mound... with some engineering tips from a termite, Sally and Nick can build their block tower higher than before as expected.

Sally and Nick are decorating the tree house for a party. The Cat knows the world's most fabulous decorator: Stanley, the bowerbird, who teaches the kids how to decorate with quite anything (such as shells, leaves and pebbles). Now they can have a party in their own fabulously decorated tree house as usual.

Nick is trying to hang onto the monkey bars but can't. The Cat takes him and Sally to meet the best gripper, his tiny little friend Larry, the limpet. After shrinking down to limpet size, Nick and Sally learn how to hang onto the rocks with the help of natural hand and footholds, some sticky stuff on their feet and plain old perseverance. Now Nick knows that in order to stay on the monkey bars, he needs to keep trying.

Nick and Sally are trying to jump high enough to get their balloon stuck up in a tree but can't do it. Good thing the Cat in the Hat knows some of the best jumpers ever, and they are off to Jumpalaroo to learn how to jump from nature's masters which are grasshoppers, a kangaroo, and even a flea.

Nick and Sally are trying to draw a picture of a prepona butterfly but can't get close enough to see it. The Cat takes the kids to meet Onslow the sloth, who teaches them that when you slow down, the world comes to you. After lots of practice and also the race to see who's the slowest, Nick and Sally are now able to slow down enough to get closer to the butterfly and finish their picture—even though all is just well.

Nick and Sally are painting a picture of a rainbow but don't know what are the colors that are used for the picture. The Cat takes them to Color-ga-lore to meet King Kaleidoscope, an expert on rainbows: a song teaches them the proper color order and after that a silly spray of water leads them to discover how to make their very own rainbow.

Nick and Sally have a backyard picnic when they discover their last strawberry has gone missing... and the Cat doesn't know who is it—his friend Cluey Looey can help them and they are off to Muddyfeet Waterhole where they learn about how the differently shaped feet, paws, or hooves of various animals make differently shaped footprints (like an elephant, a bee-eater and a baboon). Back home, they follow the prints and discover their strawberry was taken by a squirrel and, luckily, the Cat has more to discover.

Nick and Sally can't find their sled, buried under the snow. The Cat takes Nick and Sally to the Jingly Bell Forest to see Magnus, the reindeer, who is great at finding things in the snow. In it, Magnus shows them how he digs with his feet and shovels snow with his antlers. When Nick and Sally find Magnus' old antlers, they can shovel snow now and also find their sled. Meanwhile, Fish tries to find the perfect Christmas tree.

Nick and Sally are playing soccer when their ball goes through a hole in their net. Luckily, the Cat's friend Mabel is a spider who knows all about weaving—maybe she can help them. Mabel, with the help of Cat and a song, teaches Nick and Sally how to weave a web. Back at home, they use Mabel's advice and fix their net, and just in time for Cat to score a goal, if only if it wasn't sticky.

Sally and Nick are so excited to go ice skating tomorrow, that they can't fall asleep. The Cat's friend Boris the bear can help. Off they go to the Gleep-sneep Woods to learn how Boris gets ready to take his long winter's nap. Back at home, Nick and Sally follow Boris' advice, and follow their own bedtime routine to get ready for bed. With the help of a bedtime story from Cat, they quickly fall asleep.

Sally's little maple sapling hasn't grown any bigger. To discover why, the Cat in the Hat takes the kids to meet Dr. Twiggles. With the help of the tree doctor and his songs, Nick and Sally discover how trees eat through their leaves and roots. They also learn that trees grow very slowly. A few more years later, their maple sapling will grow into a maple tree.

It's Valentine's Day and Nick and Sally disagree hotly on how to decorate the card they're making for the Cat. This means they aren't really best friends—The Cat takes them to meet Sheldon, a tortoise who knows all about friendship. They learn that Sheldon's best friend, a finch is completely different from him and that being best friends doesn't mean you always have to agree.

Nick and Sally are sitting down to breakfast but have run out of milk. The Cat arrives to take them to Finola's Farm to have breakfast with Finola. First they learn how to milk a cow, then they discover that the milk from cattle can be made into butter, cheese, and ice cream, and even into other derivates.

Nick and Sally are playing in their homemade Thingamajigger, when the Cat arrives to take them on a real adventure. Off they go to meet Samantha, the salmon who is returning to the pool where she hatches so she can lay her eggs. With the help of the Subber-e-blubber, they follow Samantha underwater, upriver on her incredible journey.

Sally needs to find a gift for her stuffed panda, Pammy. She discovers who better to ask than a real panda... The Cat takes them to meet Zhu Zhu, a giant panda who helps the kids to discover all the wonderful things you can do with her favorite food, bamboo. Bamboo turns out to be a perfect gift for Pammy.

Nick has spotted a tiny ladybug, but Sally has found an even smaller ant! And there's nothing smaller than an ant. Or is there? Cat takes Nick and Sally to meet a variety of single-celled creatures.

Sally and Nick are going on an adventure, but how are they going to get there? Skateboard? Train? Rocketship? They just can't decide! Until Cat suggests they see how trees send their seeds on trips. They follow different seeds as they travel through the air, float on the water, and hitch rides on animals.

Nick is trying to make his mother a surprise lunch, but she keeps coming into the kitchen! If only there was a way for him to know when she was coming. The Cat takes Nick and Sally to meet his friend Twitch the rabbit. Twitch and her bunnies teach Nick and Sally how to stop, look, and listen for danger.

Nick can't remember where he put his yoyo. Cat offers to take the kids to meet his friend Bucky the squirrel who is good at both hiding and finding things! Nick and Sally learn how to use landmarks to help them remember where they put things.

Try as they might, Nick and Sally just can't learn to do a somersault. Luckily Cat's friend Luis the Armadillo is the king of the roly polys! Nick and Sally are pretending to be lost adventurers when Sally wonders what to do if you really do get lost.

The Cat in the Hat knows a wolf pup who knows all about getting lost and found! In the Hooty Howly Woods, Grayson shows them how wolves howl to communicate and to find each other.

Sally is trying to grow a flower for her mom, but it just won't grow. Time to see Finola! At Finola's Farm, she introduces Cat, Sally and Nick to her secret super digger - Diggery the earthworm. Diggery shows them how plant roots need water air and compost, which Diggery helps to make. Sally's flower is sure to grow once she gets some of her own secret super diggers to help!

Nick and Sally are trying to whistle but they just can't seem to get it right! The Cat takes them to visit his friend, Rocky the Winter Wren, who is an expert whistler. Rocky, and his son Ricky, offer this advice: if you want to whistle, start with one note and practice.

Cat introduces Nick and Sally to Whiffy the skunk, and in the adventure of finding Sally's favourite smell they discover how good Whiffy is at protecting himself with his very own special smell.

Nick and Sally are making Halloween masks, but they want to make them really scary. Cat takes them to meet Aiya, the Aye Aye, in the forest of Spookywoowoo.