Capt. Deemo and first mate Gil pilot their steampunk sub to different ocean habitats so they can deliver Friendship Day bubblegrams to all their friends; along the way, they find themselves being chased by a kraken.
When reckless hyena Spotty steals young elephant Eli from the savanna, Wildlife Rangers Zooli and Goby hop into their big rig to rescue him; when the big rig chase lands Spotty and Eli in danger, it's up to the Guppies to save the day.
In the Gourmet Galaxy, everyone loves yummy food, but when Gen. Yuck turns everything icky, only a recipe for delicious moon muffins can stop her; master chef Goby and his apprentice, Deema, must bake those muffins and save the galaxy.
When supervillain Dr. Coldfinger takes Curly Q's newest invention, the Ultra Spy Tool, secret agents Molly, Goby and Spy Pup must travel across the world to find and infiltrate his North Pole lair.
Excited that Zooli is getting a new pet, the Guppies try to guess what kind of animal it is; Zooli loves many creatures, so her new pet could be anything in the animal kingdom.
When Mr. Grumpfish turns up in Happy Junction, he makes everyone in town really grumpy; Sheriff Molly must find a way to help everyone handle their tricky emotions.
The Ocean Patrol tries to stop Windy Pete when he sails around the world and blasts tropical climates with snow.
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!
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.
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 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.
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.
On the hottest day of the year, Rangers Goby and Gil's job is to make sure pedestrians reach the lake safely; however, Bigfoot causes issues when he removes the stop signs from the park.
On the U.S.S. Recycler, Captain Deema and her crew strive to leave every planet cleaner than they found it; However, their mission is put to the test when a crew of messy Litterbugs, led by the evil Garbage Khan, 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 that have been popping up around town; with the help of several nocturnal animal friends, they discover the lights aren't aliens but anglerfish.
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; the Chefs must find a way to bring taste to the kingdom.
Molly performs in the quick-change dress-up match during Fashion Week in Bubbletucky and ends up on the cover of a fashion magazine.
The Guppies are excited for China's Lunar New Year Festival, where they will operate a giant festival dragon the the grand parade.
Molly is going to have a new sibling; the Guppies get excited about babies; the children go to the hospital to meet a new baby.
Officer Miranda teaches Gil and the other children how police officers use laws to keep people safe.
Gil embarks on an icy expedition to the North Pole.
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.
When Nonny breaks his glasses, he must use his other senses to reach the glasses store.
The Guppies perform a "soap opera" to teach Mr. Grouper about good hygiene.
When rain spoils a game of kickball, Gil invents a new game; Bubble Puppy must overcome his fear of thunder to save the game.
Deema must turn over a new leaf and try broccoli if she wants to earn her broccoli badge at scout troop initiation.
Molly, Gil and the Guppies must lead a baby dolphin named Buddy to the surprise birthday party his pod is throwing for him.
Molly wants to be a cowgirl like Dusty.
Gil and his team of firefighters must rescue another firefighter who is stuck in a tree.
Molly's friend needs the Guppies' help to finish her work in time to attend the Big Beach Ball.
The Guppies must move fast when a herd of cows wanders onto the train tracks.
Nonny is on a quest to become a real knight.
The Bubble Guppies learn about colors while car racing.
The Bubble Guppies learn how to care for pets when Gil wants to adopt a puppy.
The Bubble Guppies learn about outer space.