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.
When Nonny, Gil and Zooli conjure a genie, she agrees to grant whoever brings her the most precious gift a wish.
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.
It's Lighthouse Keeper Deema's birthday. And they realized they're gonna throw a party! But when a monster named Fogzilla keeps blowing out her lighthouse, she needs to figure out how to get Captain Molly's ship to shore, or there won't be a party.
On the hottest day of the year, it's Park Rangers Goby and Gil's job to make sure that pedestrians can make it safely to the lake to swim. But when Bigfoot swipes the park's stop signs, will anyone be able to cross the road for a dip?
On the USS Recycler, Captain Deema and her crew strive to leave every planet cleaner than they found it. But their mission is put to the test when a crew of messy Litterbugs take over their ship.
When small-town 'puppy-saurus' Bubble Puppy gets picked to go against the reigning champ Boom Boom T-Rex in the Tough Roarier competition, it's a battle of strength, speed and, above all, heart
Police Officers Molly and Gil are tracking some mysterious lights (aliens!?) that have been popping up around town. With the help of several nocturnal animal friends, they discover the lights aren't aliens at all, they are anglerfish!
Ice cream sellers Molly and Gil are trying to deliver ice cream to a waterpark on the other side of a hot desert. Will they get the ice cream across the desert, unmelted, before the Rattlers catch them?
Skipper Molly and First Mate Gil are shipwrecked on Volcano Island, and it's about to erupt. When parts of their boat start to mysteriously disappear, will they be able to make it off the island in time?
When chefs Molly and Gil bring their tasty food truck to Bland Land, they discover that Baron von Bland only lets his subjects eat Bland Bread. Yuck!