Dress Up Day - Nick and Sally are playing dress up, but oh no! Sally's princess dress has torn, and mom doesn't have any silk thread to fix it. Cat takes them to his good friend Mindy, the silk caterpillar. Mindy shows them how she makes silk. Sally uses the silk thread to fix her swirly twirly princess dress! Bathtime - 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 who all keep clean in very different ways. Even though it was fun to try bathing how the animals do, Sally and Nick decide that good old soap and water works best for them!

Flower Power - Sally's mom has a cold, so Sally wants to pick her some colorful flowers to make her feel better. The Cat in the Hat takes Nick and Sally to the forest of Flora-Fah-Zoom where they meet three different creatures that all depend on flowers to live. Sally decides to make her mother a picture of their adventure in Flora-Fah-Zoom instead of picking a flower that animals need in order to survive. Snowman's Land - Sally and Nick have just finished making a statue of the Cat in the Hat out of snow, but he's starting to melt! Good thing Cat knows where to take the melting snowcat: to 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 snowcat sculpture there so they can come back and visit him!

The Lost Egg - The kids are decorating the tree house for a party. The Cat knows the world's most fantabulous decorator: Stan the bower bird! Stan teaches the kids how to decorate with almost anything--shells, leaves, and pebbles. Now they can have a party in their own fantabulously decorated tree house! Hold on Tight - Nick is trying to hang onto the monkey bars but can't. The Cat takes him and Sally to meet the best holder-on-ever, 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!

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 them to meet Onslow the Sloth, who teaches the kids 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 now able to get closer to the butterfly and finish their picture!

Nick and Sally's soccer game is obstructed by a large log that they can't lift out of the way. In Machine-a-ma-zoo they discover that there's a much easier way to move that log than by lifting it. Nick's new plane is flying well but is a little dull so the kids add buttons and glitter but then they don't understand why the plane isn't flying as well as it did. In Odds n' Endsville, they discover that there can be too much of a good thing, and sometimes keeping it simple is the best solution.

Maps - Nick and Sally are pretending to be pirates. The Cat takes them on a real pirate adventure by following a treasure map! They use landmarks to find their way to a real pirate treasure: parchment paper and ink pens to make their own pirate maps! Termite Towers - Sally and Nick just can't seem to keep their block tower from toppling over. The Cat in the Hat takes them to meet some expert tower builders: the termites! After shrinking down to bug-size, they learn from Terry termite how to build a tower that won't wiggle and wobble. With some engineering tips from a termite, Sally and Nick can build their block tower higher than before!

When Nick's water glass suddenly falls over without anyone touching it, Cat comes to help them solve the mystery. They go to The Great Causeway and discover the world of cause and effect. Nick and Sally are playing musical instruments and notice that Fish's water is rippling. Why? Cat takes them to the Jingly Jungle for a concert by the great Vibrato. They discover that sound and vibration go together.

You Should Be Dancing - Nick and Sally are planning to put on a show for their moms, but they can't finish their 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 their new dance! Batty for Bats - Sally and Nick are playing a game of blindfolded freeze tag but they 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 Zapita, a bat who teaches the kids about echolocation. Now that Nick and Sally know how to listen to find their way, freeze tag has become a lot more fun!

Nick and Sally can't agree on the "right" way to sort their toys. The Cat takes them to Toborrowland to help him return a bunch of things. As they confront different obstacles, they have to come up with different ways of sorting Cat's things, and they realize there are lots of ways to sort. T The kids are making bubbles and want to save one for Sally's mom. But they always pop. In Odds-n-Endsville they find out that landing bubbles on some surfaces helps the bubbles last longer.

Flight of the Penguin - Sally and Nick are pretending to fly in their backyard. Oh wouldn't it be great if they really could? The Cat in the Hat brings them to meet his good friend Percy the penguin. After a fun race with a penguin and a bird, the kids learn that not all birds fly, but that doesn't mean they aren't fast! Let's Go Fly a Kite - Sally, Nick and the Cat are trying to fly a kite, but there's not enough wind. The Cat in the Hat takes them to Huff-Puff-Maguff where there's so much wind, they lose their kite! They chase the kite, using the wind to help them. When they finally reach it, the breeze helps to cool them down!

Incredible Journey - 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 salmon Sam, who is returning to the pool where she hatched so she can lay her eggs. With the help of the Subber-e-blubber, they follow Samantha underwater, upriver on her incredible journey! Bamboozled - Sally needs to find a gift for her stuffed panda, Pammy. 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!

Sally is convinced that a tall thin glass of juice holds more than a short wide glass so Cat takes them to Point O'View where they learn that getting evidence can cause them to change their mind. Nick and Sally wonder if they can walk on a cloud, and the Cat takes them to Mount Knowmore. As they climb, they discover that materials have different properties that allow them to be solid or fluid. And when they get to the top, they have gathered enough evidence through experience of walking through the clouds to answer the original question.

Sally thinks that the three sticks she has aren't enough to make anything. Cat takes them to a place where they can get more sticks. And along the way, they discover just how many things you can do with three sticks. When Nick drops the mailbag into his train set, his fingers are too big get it out. Cat shrinka-ma-doodles them so they're small enough to be in the train set. But when the Thinga-ma-jigger falls out of reach, they need the right sized tool to help them out.

Rumbly Tumbly: Nick's hungry tummy is rumbling! But why do our stomachs make noises when they're hungry? A super shrunken trip into Thing One's stomach will show them the answer! They learn how chewing and stomach juices help to break down the food, and the tummy sounds are actually the stomach working. When your tummy is empty, the sounds are much louder! There's only one way to quiet Nick's rumbly tumbly... a chewy chocolate chunky chunk chip cookie! Planet Name Game: Nick and Sally have run out of things to name in the garden. Good thing Cat needs help putting his model of the solar system back together - they can help him name the planets! Off in the Space-a-ma-racer they go on a whirlwind trip around the universe, learning the names of the seven planets as they go.

Chasing Rainbows - The kids are painting a picture of a rainbow but can't remember all the colors to use. Luckily for them, Cat takes them to Color-ga-lore to meet King Kaleidoscope, an expert on rainbows! A musical number teaches them the proper color order, and a silly spray of water leads them to discover how to make their very own rainbow! Follow the Prints - Nick and Sally are enjoying a backyard picnic when they discover their last strawberry has gone missing! Who could have taken it? Cat's friend Cluey Looey can help them! 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. Back home, they follow the prints and discover their strawberry was taken by a squirrel! Luckily, the Cat has some more!

Sally and Nick have wrapped Father's Day gifts, but when they get mixed up the kids can't tell which is which. Cat takes them to Zippy Zaroo's Cookie Factory where each cookie has a toy inside. When the shrunken Thingamajigger ends up inside a cookie, they have to use their knowledge about the properties of matter and deductive reasoning to identify which cookie it's in. Nick and Sally are disappointed when their toy's battery runs out of power. The Cat takes them to Lots-o-Lakes Land to see the flight of the Dipsydoodlers. But along the way, the Thinga-ma-jigger runs out of Go-Go-Go juice and they have to find alternative forms of energy to make it go.

Sally invents a secret treehouse handshake, but Nick can't remember the sequence. The Cat takes them to Over-and-Overton, where they figure out how to get through a series of obstacles by recognizing patterns. Nick and Sally don't understand why one toy car goes faster than another. The Cat says he needs their help to move some big pictures and along the way, they find out about how air is matter (takes up space and has mass) and can push on objects.

Step This Way - The kids are playing dressup, with Sally wearing her mom's shoes, and Nick wearing his dad's shoes. They're having trouble walking, and the Cat thinks it's because their feet are the wrong shape. But doesn't everyone have the same shaped feet? Not at all! The Cat takes them to the Jungle of Bingle-Bungle Boo to meet his friends Emily the teal, Mikey the lemur and Greg the Gecko. They see that animals have differently shaped feet to help them do different things! You need the right feet for the right job! Anything You Can Do - Nick and Sally are pretending to be The Cat in the Hat. But there's only one Cat, no doubt about that! Pretending to be other people is hard. The Cat takes Nick and Sally to meet his good friend Mimi the Mimic Octopus to learn some tips on how to pretend to be someone else. They learn how to observe, pick out something special about the person and then copy it. Mimi does it to protect herself, but now Nick and Sally can pretend to be the one and only Cat!

Thump - 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. Now Sally that can warn Nick when his mom is coming, they're able to surprise her with lunch! Squirreled Away - 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. Back at home Nick, thinking like Bucky, is able to track down his yoyo!

Nick and Sally are trying to build a sandcastle but the sand is either too dry or too wet. Cat takes them to see the Song Flower Sisters, who need just the right mixture of water and soil before they'll sing. Through multiple trials, Nick and Sally learn the importance of recording procedures and of perseverance as they find the right mixture for the flowers. Sally wants to make a mobile balance with four identical rubber ducks, but she's only got three. Cat takes them to The Bazaar at Balance Point, where the Things throw everything off balance. Sally discovers that weight and size are not always equivalent and that there are many different ways to balance objects.

Big Cats - When Sally and Nick have difficulty sneaking up on Nick's Mom to surprise her, The Cat brings them to meet some great sneaker-uppers - cats! Three big cats in particular. The kids learn to be patient from a snow leopard, speedy from a cheetah and the trick of distraction from a lion. Back in Nick's yard they sneak up on his mom and surprise her! Then Nick and Sally are surprised when the best sneaker-upper sneaks up on them - The Cat! Fantastic Flour - Nick and Sally are making their "Best Ever Yummy For Your Tummy" muffins when they realize they don't have enough flour. Cat knows just where to get more - Finola's Farm! With help from Cat, Sally, Nick, and the Things, Finola harvests the wheat then shows them how to turn it into flour. Now that they have enough flour, they can finish making their muffins!