The kids argue when they realize that they all want to use the treehouse at the same time.
Nature Cat and his pals are enjoying a windy day by flying kites in the park. But the merriment takes a turn when a strong gust of wind blows Squeeks' kite up into the sky with Squeeks still holding onto it! Next, Daisy is determined to find out once and for all if the legendary creature, Swamp Thing, is real or not.
Chuck sets out to turn the city into a giant sandwich, unless WordGirl can stop him.
When Martha eats alphabet soup, the letters go to her brain and she develops the ability to talk.
Peg, Cat and Richard must get 100 chickens away from Big Mouth and back to their spaceship.
While sky-writing in his jet, Duck accidentally makes a cloud that he thinks is a real dragon.
When Daniel's pet fish dies, he begins to ask questions to help him understand what death means.
The Pinkville marching band comes down with a bad case of the whiffling sneezes and can't play, disappointing the town. Luckily, Pinkalicious persuades her friends to use their voices to become the Invisible Marching Band.
When Jet's parents need to return to their home planet, Sean and Sydney join the Propulsion family for an epic adventure to Bortron 7.