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!
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.
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 Petunia the Dragon moves to the Kingdom of Flowers, everyone is afraid of her fearsome roar. Everyone except Zooli, who befriends Petunia and shows her friends how lovable Petunia really is.
If the Moon People can find a way to make it dark during the day, the Sun People have agreed to turn off their giant night light so the Moon People can enjoy their movie night.
Gil, Deema, and Oona investigate as the Snow Patrol to find out who stole Molly, Goby, Nonny, and Zooli's sleeping bags, as Gil is convinced that a snow yeti is the one to blame, much to Oona's dismay.
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.
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!
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.
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 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.
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.
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 U.S.S. 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, led by the evil Garbage Khan, take over their ship.
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 angelfish.
Ice Cream Sellers Molly and Gil are trying to deliver ice cream to a water park on the other side of a hot desert. Will they get the ice cream across the desert unmelted before the Rattlers--a rattlesnake biker gang--catch them?
Skipper Molly and First Mate Gil are shipwrecked on Volcano Island, and it's about to erupt. But when parts of their boat start to mysteriously disappear, will they be able to make it off the island in time?