Linny tells Tuck, Ming-Ming and Ollie the story of how the Wonder Pets first got started. We flashback in time and see how Linny met Tuck and Ming-Ming, how they discovered teamwork and where all those catchy songs come from!
The Wonder Pets help a Cool Cat and Hip Hippo how to take turns at a jazz performance in Greenwich Village./Tuck's cool, coordinated, older cousin, Buck, visits the classroom and winds up trapped in the schoolhouse cubby!
When Aunt Eleanora asks Ming-Ming to watch little Marvin, Ming-Ming brings the whole team to KalamaZoo! / When Bee and Slug decide to explore what life is like underground, they get stuck in some ooey gooey mud.
The phone isn't ringing so Ming-Ming decides to explore the classroom in search of action, adventure and drama./The Wonder Pets get a call from a baby dalmation in a fire station who needs help sliding down the pole.
The Wonder Pets travel to a snowy forest to help a shivering Groundhog get warm. The Wonder Pets journey to Africa to help a Lion Cub learn to pounce and roar for the king. But what the Lion Cub really likes to do is dance.
The Wonder Pets get a call from Humpty Dumpty who is teetering precariously on a wall in a pop-up book./The team must show a colony of Meerkats the joys of voting when they can't agree on how to handle a lurking Jackal.