The Sea Witch steals the Guppies' magical jewels, so she can rule the Seven Seas! Will the Guppies get their jewels back, and stop her before it's too late?

It's Secret Agent Nonny's birthday, and he's on a mission to deliver mysterious messages to all of his agent friends. Turns out, they're invitations to his own surprise birthday party!

Deema the evil ruler wants a medieval kingdom to stay dirty, with a giant ogre as her assistant. The rest of the guppies must stop them and get the kingdom clean again.

When Mr. Grumpfish turns up in Happy Junction, he makes everyone in town really grumpy, including Sheriff Molly, who must find a way to help everyone handle their tricky emotions.

The Guppies must stop Windy Pete and first mate Oona when they sail around the world and blast tropical climates with snow.

Goby and Gil go on a quest to get a geode at the top of a volcano. They try to make it back to the Rocky Valley Rock Show in time to enter the contest for best rock.

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 super villain 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!

When Agnes the Dragon moves to the Kingdom of Roses, everyone is afraid of her fearsome roar except for Zooli, who befriends Agnes and shows her friends how lovable Agnes really is.

Gil wants to be a ninja, but his ninja teacher just keeps giving him random tasks to do; frustrated, Gil is about to give up when another ninja challenges him, and he realizes he's been learning ninja skills all along.

Gil is convinced a yeti is to blame when sleeping bags go missing.

If the Moon People can find a way to make it dark during the day, the Sun People agree to turn off their giant night light so the Moon People can enjoy their movie night.

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.

When some untidy Titans (played by Guppies) start messing up Zooli, Nonny and Oona's goat farm, the goat herders must journey to the Titans' cloud realm to ask them to tidy up.

Mail carrier molly is trying to deliver a Friendship Day card for someone named Alison in a place called Wonderland.

When showman Gil's real live dragon (actually a Komodo dragon) gets loose in the small town of Bubbleville, it's up to Pet Finders Oona and Zooli to track the lizard down and return it to its home on Komodo Island.

City-slicker umbrella sellers Molly and Gil set up shop in the Amazon rainforest.