On a quest to attend King Grouper's Christmas party and deliver a promised tree, Lady Oona and Lord Goby must face the ravages of winter and a mysterious Freezy Dragon, who seems intent on keeping them from the festivities.
Gil and Bubble Puppy are competing in the Winter Sports Chompetition, a competition for athletes and their dogs; they hope to stop reigning champs Coldsnap and his dog Mr. Husky from cheating to win the gold.
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.
The Sea Witch steals the Guppies' magical jewels so she can rule the Seven Seas; the Guppies must get their jewels back and stop her before it's too late.
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.
Gil is convinced a yeti is to blame when sleeping bags go missing.
On Christmas Eve, Molly, Gil and Bubble Puppy discover Santa's lost list in the snow; to return the list safely to the North Pole, they have to keep it out of the hands of the Christmas-hating Humbug.
It's lighthouse keeper Deema's birthday, but when a monster named Fogzilla keeps blowing out her lighthouse, she needs to figure out how to get Capt. Molly's ship, carrying her birthday cake to shore, or there won't be a party.
When an accident destroys Bubble Puppy's doghouse, the Guppies team up with the entire neighborhood to build Bubble Puppy's dream home.
When the evil robot Major Bummer tries to eliminate music from the galaxy, Princess Molly and the Guppies must restore peace, harmony and melody.
The Guppies must follow an egg trail to find the mysterious Oyster Bunny.
The Guppies must work together to turn nectar into honey for the queen bee's tea time.
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.
When Mr. Grouper's van gets stuck in the holiday snow, Mr. Claws and his horse, Snowflake, come to the rescue.
The Guppies try to spread the joy of the holiday season to Mr. Grumpfish.
The Guppies learn about the zoo while trying to find a friend for a lonely rhinoceros.
The Bubble Brothers Circus is coming to town, and all the Guppies are getting into the act: Goby the clown, Gil the acrobat, and Oona the lion tamer.
Oona's friend must visit a doctor when he breaks a bone in his tail.
Nonnie must figure out how to lead the marching band when a duck gets in its way.
The Bubble Guppies must grow a flower for the Spring Chicken.