The Cat in the Hat Knows a Lot About That!: Season 3
Season 3 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of The Cat in the Hat Knows a Lot About That! Season 2.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 3 Progress Shield
Whatever Floats Your Boat
Mar 2, 2018
When Nick and Sally's boat sinks, they need to build another boat, but don't know how. At trip to Floating Island helps them discover that along with needing the right material, yo
Building Bridges
Mar 2, 2018
Nick is in pursuit of finding out how to build a drawbridge. In Spansylvania, they meet a dragon who's in pursuit of them – and along the way they find out that some materials are
Accidents Happen... If You're Lucky
Mar 5, 2018
When Sally destroys Nick's model of a mountain, the Cat takes them to meet Sara of Serendip, an inventor who helps them understand that you can make new discoveries through your mi
Making Waves
Mar 5, 2018
Nick discovers that Sally can't hear him when he yells from his bedroom window if their bedroom windows are closed. The Cat takes them to the Soundy Sea and they learn that sound t
Pulling Together
Mar 6, 2018
The kids want to get a trunk up into the treehouse and go to the Machine-a-Ma-Zoo where they're introduced to some simple machines, but learn about the pulley.
Fact and Friction
Mar 6, 2018
Sally loses her slidiness and when they go to the Frictionarium, they find out that there's a force called friction that can stop a person from sliding.
Shadow Play
Mar 7, 2018
Nick and Sally are having a sleepover in the treehouse and Nick is startled by a shadow. The Cat explains that shadows aren't scary if you know what they are. He takes them to Shad
Play Ball
Mar 7, 2018
Nick unintentionally loses Sally's bouncy ball, they go to Ballaballo and learn how different balls are made of different materials that make them bouncier.
The Search for String
Mar 8, 2018
Nick and Sally need a strong piece of string to pull their train, but it breaks, and they don't have anything stronger in their craft box. The Cat takes them away, but the Thingmaj
Mirror Mirror
Mar 8, 2018
Nick and Sally are in the treehouse making funny faces at themselves in the mirror when they notice a bird flying back and forth into the tree branches. They discover that the bird
Opposites Attract
Mar 13, 2018
Nick gets some new train cars for his train set and wants to add them to his train, but the magnets won't connect. The Cat takes them to a magical magnets world where they learn ho
The Talents of Balance
Mar 13, 2018
Nick is trying to learn how to ride his bike and in Balencia, he discovers the things to keep in mind when you are trying to maintain your balance.
Who Can See the Wind?
Mar 14, 2018
Sally wants to fly her kite but can't seem to work out the timing to get the wind right – you can't see the wind. The Cat takes them to Windnasium where they learn to see wind in a
Gravity Drop
Mar 14, 2018
When Nick's favorite flyer gets stuck in the tree, Nick wishes he could jump really high and retrieve it, but gravity holds him down. Cat takes them to Gravity Drop where they disc
Nick's Cricket
Mar 15, 2018
Nick wants to create a new home for the cricket in their backyard, but the cricket won't go in. The Cat takes them on a journey but has to make an emergency landing on Lagoona-Maro
Go With the Flow
Mar 15, 2018
Nick and Sally are frustrated by a puddle that always forms at an inconvenient spot on the sidewalk. They go to a water park and learn that water always seeks the lowest level.
Design Time
Jun 4, 2018
Sally is trying to make a vase for her mother but each one she tries falls over. The Cat takes them to Blueprintia and they discover what they can learn by designing before buildin
A Prize Surprise
Jun 4, 2018
The kids are creating a game that involves "fishing" for prizes, but they can't "catch" any of the prizes. The Cat takes them to an arcade where they discover what will (and won't)
Clever Levers
Jun 5, 2018
The kids need to move a big rock in their backyard so they can plant an apple tree. The Cat takes them to Machine-a-Ma-Zoo where they learn about levers.
Going, Going Gong
Jun 5, 2018
Sally is playing a song on an instrument made up of different things in the Treehouse but she can't find the right note for her song. In Gongolia, they find out that bigger things
You're It
Jun 6, 2018
Sally keeps getting found when they play Hide and Seek. Cat takes them to Tagaloo to meet a great seeker. They keep trying to catch up to the elusive Tagaloop, and along the way th
Holes
Jun 6, 2018
Sally loses her special bead in the sandbox and they can't find it. The Cat takes them to the Hole-Lot-of Funhouse, where they have to make their way across different floors withou
Bump Bump Bump Around
Sep 16, 2018
When Nick's magic trick causes his toy car to disappear under the porch the Cat takes them to Arcade Island to win a Gasper-ma-clasper. But instead they find out the magic of bumpi
Snow Difference
Sep 16, 2018
The kids want to make a great snowman but the clothes they have chosen are frozen in the ice and snow. Cat takes them to Coldsnap Island where they discover that when they warm up
All Sorts of Things
Sep 22, 2018
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, the
Bubble Trouble
Sep 22, 2018
Nick and Sally try to save a bubble 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.
Cause and Effect
Sep 23, 2018
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
Good Vibrations
Sep 23, 2018
Nick and Sally are playing musical instruments and notice that Fish's water is rippling. Cat takes them to the Jingly Jungle for a concert by the great Vibrato. They discover that
The Smart Move
Sep 29, 2018
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 is a much easier way to move that log t
Simply Simple
Sep 29, 2018
Nick's new plans 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' End
Enough Is Enough
Sep 30, 2018
Sally thinks that the three stick she has are not enough to make anything. Cat takes them to a place where they can get more sticks. Along the way, they discover just how many thin
Back on Track
Sep 30, 2018
When Nick drops the mail bag into his train set, his fingers are too big get it out. Cat shrinkamadoodles them so they are small enough to be in the train set. But when the Thingam
Mind Changing Fun
Oct 6, 2018
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 cha
Curious Minds
Oct 6, 2018
Nick and Sally wonder if they can walk on a cloud, and the Cat takes them to Mount Knowmore. As they climb up, they discover hard surfaces and watery surfaces and walk through fog.
The Treehouse Handshake
Oct 7, 2018
Sally invents a secret treehouse handshake, but Nick can't remember the sequence. Cat takes them to Over-and-Overton, where they figure out how to get through a series of obstacles
The Big Pictures
Oct 7, 2018
When Nick and Sally don't understand why one toy car goes faster than another, the Cat needs their help to move some big pictures. Along the way, they find out about how to make th
Batteries Not Included
Oct 13, 2018
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. Along the way, the Thing
Checking the Boxes
Oct 13, 2018
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
The Hard Weigh
Oct 14, 2018
Sally wants to make a perfect mobile with four identical rubber ducks, but she has only three ducks. The Cat takes them to The Bazaar at Balancia Point, where everything is in bala
The Song Flower Solution
Oct 14, 2018
Nick and Sally are trying to build a sandcastle but the sand is either too dry or too wet. The Cat takes them to see the Song Flower Sisters, who need just the right mixture of wat