PBS KIDS believes the world is full of possibilities, and so is every child.As the number one educational media brand for kids, PBS KIDS helps children ages 2-8 learn lessons that last a lifetime

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Nick and Sally search for a stronger piece of string to pull their train; the Cat takes Nick and Sally to a mirror world where they learn about how reflections work.

The Cat in the Hat Knows a Lot About That!

The Search for String; Mirror Mirror

PBS Kids

Nick is startled by a shadow during a sleepover in the treehouse; Nick and Sally go to Ballaballo, where they learn about how balls are made.

Shadow Play; Play Ball

The kids are introduced to simple machines on a visit to the Machine-a-Ma-Zoo, where they learn about the pulley; Sally and Nick learn about friction.

Pulling Together; Fact and Friction

Nick and Sally need to build a new boat when their boat sinks; Nick learns how to build a drawbridge.

Whatever Floats Your Boat; Building Bridges

Nick and Sally travel the world while learning about science with the Cat in the Hat.

Nick and Sally have trouble building a sandcastle because the sand is either too dry or too wet; Nick and Sally visit the Song Flower Sisters.

S3 E20 | The Song Flower Solution; The Hard Weigh