S6, EP23 "Trouble in Harmony Valley!"
Everyone in the Old West town of Harmony Valley loves playing music together; when noisy Billy Joe Strumlouder rides into town to sabotage their tunes, Sheriff Zooli must save the day.
S6, EP22 "Zooli's New Pet!"
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.
S6, EP21 "The Ultra Spy Tool!"
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.
S6, EP20 "The Solar Light Spectacular!"
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.
S6, EP19 "The Fastest Feather in the Race!"
It's Team Flightless versus cocky Amelia the peregrine falcon; though Penguin Nonny, Ostrich Oona, and Kiwi Goby can't fly, these birds of a feather flock together; teamwork must be enough for them to win the race.
S6, EP18 "Puppy Girl and Super Pup!"
When supervillain Felina Meow starts turning all the dogs at the annual dog show into cats, it's up to superheroes Puppy Girl and Super Pup to stop her.
S6, EP17 "Don't Yuck My Yum!"
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.
S6, EP16 "Search for the Great Silverback!"
When primatologists Zooli and Gil are looking in the rainforest for a silverback gorilla, they're chased into an ancient temple by a robotic silverback that turns out to be a tiny marmoset guarding a sanctuary of mountain gorillas.
S6, EP15 "Bubble Medics to the Rescue!"
In ancient Greece, paramedics Zooli and Gil get a call for help from Nonny, so they fly toward him in their chariot ambulance; on the way, they're pursued by a Cyclops.
S6, EP14 "The Big Rig Bandit!"
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.
S6, EP13 "The Kingdom of Laughs-a-Lot!"
Jesters Goby and Gil arrive in the Kingdom of NeverLaugh, where King Grumpfish decrees that he'll outlaw laughter if no one can make him laugh before sundown.
S6, EP12 "Mystery on the Guppy Express!"
When Oona's Bubble Kitty goes missing aboard the Guppy Express, Detective Nonny steps in to help.
S6, EP11 "The Kingdom of Sleepwell!"
All is not well in the normally well-rested Kingdom of Sleepwell because Princess Deema can't fall asleep; her royal court comes to her aid, but even magic doesn't work.
S6, EP10 "The Jaw-some Sharkventure!"
Zooli and her crew of marine biologists escort their new friends Baby Shark and his pilot fish, William, to visit Baby Shark's great-great-great-great-great Uncle Slow Mo and help them escape the determined fisherman who's chasing them.
S6, EP9 "A Big Splash!"
On the Shimmy-Shimmy Islands, everyone's preparing for Queen Zooli's dance party, but each time they practice, a huge wave splashes them.
S6, EP8 "Mountain Ninja Rescue"
Ninjas Zooli and Oona are excited for their first mission: escorting snow monkey Moshi up Mt. Danger to join his troop; but it won't be easy: a storm looms, and mischievous Moshi is causing trouble.
S6, EP7 "Robo Puppy!"
Robot Mechanic Molly and Robo Puppy must stop a bossy cyborg named the Glitch when it hacks all of the robots in Robotopolis and forces them to dance "The Robot."
S6, EP6 "The SS Friendship!"
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.
S6, EP5 "Winter Sports Chompetition!"
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.
S6, EP4 "The Holiday Pirates!"
In Holiday Land, there's a town for every holiday until Pirate Myra uses Wizard Grouper's magic wand to turn every town into Pirate Town; it's up to Molly and Gil to restore Holiday Land back to normal.
S6, EP1 "Werewolves of Bubbledon!"
On Halloween eve in the foggy town of Bubbledon, everyone is nervous because there's a werewolf on the loose; monster detectives Molly, Gil, and Dr. Pupson are on the case and try to find the critter before Halloween is canceled.