Nick is in pursuit of finding out how to build a drawbridge. In Spansylvania, they meet a dragon who's in pursut of them - and along the way they...

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...

Sally finds out about a force called friction. Then the kids learn about pulleys and simple machines.

When Nick loses Sally's bouncy ball, they go to Ballaballo to learn about how different balls are made of different materials. Later, during a...

Nick and Sally need a strong piece of string to pull their train, but it breaks. The Cat takes them away, but the TMJ malfunctions and they have to...

Nick is startled by a shadow during a sleepover in the treehouse.

Sally tries to fly a kite but can't seem to work out the timing with the wind.

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...

Sally is trying to make a vase for her mother but each one she tries falls over. Cat takes them to Blueprintia and they discover what they can learn...

Sally plays a song on an instrument, but can't seem to find the right note.

Sally keeps getting found when they play Hide and Seek. Cat takes them to Tagaloo to meet a great seeker. Along the way they find out that they can...

Nick's magic trick causes his toy car to disappear under the porch.

Nick and Sally try to save a bubble for Sally's mom.

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...

Sally and Nick try to add extra bits to Nick's toy glider to make it fly farther. But the more elements they add to the toy glider the worse it...

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...

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...

Sally invents a secret treehouse handshake, but Nick cannot remember the sequence. Cat takes them to Over-and-Overton, where they figure out how to...

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...

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...

Sally can't stay hidden for long during a game of hide-and-seek.

Sally loses her special bead in the sandbox.

Nick's magic trick causes his toy car to disappear under the porch.

The kids want to make a great snowman.

Nick and Sally can't agree on how to sort their toys.

Nick and Sally's soccer game is obstructed by a large log that they can't lift out of the way.

Nick's new plane is flying well but is a little dull.