When giant robot Buster steals all the batteries that power Solar City, which runs on the sun's energy, it's up to solar power workers Nonny and Goby to stop him and get the lights back on before the big light show is cancelled.
Dirty Deema steals Molly and Gil's soap and makes the Kingdom of Clean very dirty; Molly and Gil have to get their soap back and clean up the kingdom.
Hansel and Gretel have to get Bubble Puppy and Bubble Kitty home safe to the Furry Godmother, but they're being stalked by a witch.
When supervillain Lady Goo Goo starts changing everyone into babies, it's up to Guppy Girl and Bubble Boy to stop her before they get turned into babies too!
Mail carrier Molly tries to deliver a Friendship Day card for someone named Alison in a place called Wonderland; the card-stealing Queen of Hearts bans Friendship Day across the land.
The children try to teach Mr. Grumpfish about their favorite things when he is their substitute teacher.
After Gil and Molly meet a conductor, the Guppies want to join an orchestra.
The Guppies must use their nautical knowledge to save their party at sea when a giant ball of snow cone ice threatens to sink the party ship.
The Guppies learn about the zoo while trying to find a friend for a lonely rhinoceros.
Deema has a loose tooth; the Guppies learn about keeping a healthy smile.
The Bubble Guppies learn about construction while building a doghouse for Bubble Puppy.
When an actor cannot perform at a play, Deema must take the stage.