The gang meet an oyster. The Imp steals its pearl. Ollie and Cherry have to set aside their strong opinions, and compromise to save the pearl. Ollie wins first prize at an art competition, and the fame is getting to his head and he leaves his friends to do all the work in creating a specially commissioned piece for the museum.

Jinxy gets kidnapped by the Imp. Rover helps to sniff her out. The Shifty Squares get hypnotized by the Imp and steal Ollie's crayons.

The Imp steals a museum artifact using a supercharged bubble wand to trap everybody in a bubble. A strange phenomenon occurs in Ollipolis: things start to get turned into shapeless blobs. Ollie and friends have to find and shut down the source before the town is liquified.

After Imp steals the Mega Battery, Ollipolis' power source, Ollie and his friends work together to reclaim the battery and restore power to Ollipolis. Alien 1 refuses to queue up. He demonstrates the power of his box. The Imp sees it and steals the box. The Triangle Aliens learns the Importance of queuing up.

When the Triangle Aliens get their spaceship stuck in the mud, Ollie and his friends have to work to free it before a new storm comes in. The Shifty Squares are locked in a prank war and the rest of Ollipolis is dragged into their shenanigans.

Cherry enters a music competition playing her grandmother's violin. The Imp figures that all he has to do to win is steal Cherry's special violin. Cherry is addicted to a smartphone game. The Imp takes advantage of her distracted state to steal her watch.

The Imp hypnotizes Alien 1 and uses him to steal the gang's Christmas presents! Sloppy manages to misplace his toolbelt amidst an Invent-o-thon. In order to find the missing toolbelt, Ollie and friends will need to find a way to clear up the workshop.

Ollipolis is having a Halloween Harvest festival. To win Best Pumpkin, Ollie and friends try and grow their own. The Imp, unable to grow his own prize-winning produce, ventures to steal theirs. Sloppy accidentally creates a mutant cactus when he waters his plant with a special fertiliser. The gang has to stop it before it wrecks Ollipolis.

Imp steals Sloppy's snow machine and uses it to build his own ice fortress. Ollie and gang infiltrate his fortress to get it back. The gang befriend a wild deer, but it struggles to adapt to city living.

The Triangle Man wants to win a prize at the sports carnival so badly that he cheats, not knowing that it is a trap set by the Imp. The gang bail him out. The Imp sells extra hot chili which sets everybody's mouth on fire. Coincidentally, there is no milk in the store to help put the fires out. What will they do?

The Imp frames Ollie for the graffiti all over town and posts it on social media. Can Ollie prove his innocence? On the way to Ollipolis, Ollicopter has a bit of a breakdown. Imp takes the opportunity to steal Ollicopter for himself.

The gang participate in the town's Treasure Hunt. But when the Imp decides to cheat, he puts them in harm's way and risks their chances of winning the treasure chest. The Shifty Squares form a busking act in order to earn enough money to buy the Yellow Square a drum. The gang try to help the Blue Square earn more money by forming their own band, but this makes the Yellow Square jealous.

Ollipolis is burying a time capsule. However, it gets stolen by an invisible thief. In order to get the time capsule back, Ollie and friends set up a trap to catch the culprit red-handed. The gang rehearse for a play but realise that the Triangle Man has trouble speaking. They build him a sound-amplifying pendant. Trouble ensues when the Imp uses sound to trash the town.

Playing secret agents, the gang is on a mission to retrieve a 'special spy weapon'. Imp overhears this and takes their game for real. He covertly joins them on their mission and attempts to take their special spy weapon for himself. The Imp finds a magic rock that replicates things. He accidentally clones himself, resulting in a group of trouble-making Imps.

The annuals Ollipolis Bake Sale is back and Ollie, Cherry, and Sloppy have built a giant cupcake pyramid. However the untidiness of Sloppy and the Shifty Squares causes a swarm of ants to attack the whole bake sale, including their cupcake pyramid. The Monster Cactus is back and wreaks havoc on the town. The gang try to capture him but realise that he isn't as bad as he seems.

It's the clash of the scooters when Sloppy tries to make his scooter better than Cherry's. But he learns his lesson when his powerful scooter goes out of control. Ollipollis holds its first Grand Prix bicycle race, but Ollie doesn't know how to ride a bike. While he endeavours to learn with the help of his friends, a sneaky Imp tries to sabotage him.

The gang visit the monster cactus at the beach but it's too hot. They create a giant fan and get blown out to sea by the Imp. It's up to the monster cactus to save the gang... but how can he get to them when they're in the water? Rover joins a pet competition and finds that he is way behind all the other pets in terms of ability. But when the Imp shows up to steal the other pets, Rover shows him what he's really made of.

The gang and the Triangle Aliens are working on a new train for Ollipolis. But when one of the aliens decides to ""help"" move things along, the train runs away at super speed! The Aliens teleport a variety of animals from different habitats to the park and they learn the hard way why these animals don't live together. With the gang's help, they return the animals to their natural habitats.

Yellow Square feels down when he notices that everyone has a job in Ollipolis, but he doesn't. Ollie, Sloppy and Cherry attempt to find a job for him. The gang lend the squares their go kart to do their paper route but things go wrong when the squares don't take care of the go kart.

The alien is hooked on grape soda and won't drink anything else. His addiction causes problems when he gets a major case of gas and turns purple. The gang have to find a way to turn him back to normal and kick the habit. Ollie and friends' magic tools are stolen by a mysterious magician, who tests their wit with elaborate traps without the help of their tools.

Sloppy attempts to create a new app that'll make his friends take a break from their phones, but a malfunction causes a virtual virus to spread instead, zombifying everyone in Ollipolis. When the town is attacked by a giant fluffy monster, Ollie, Cherry and Sloppy have to work quickly to stop it. However, they learn that the monster may not be what it seems.

Rover's wants to spend more time with Ollie. But Ollie is too busy to give him the attention he craves. When Sloppy's time machine goes crazy and causes them to body swap, Ollie and Rover learn to walk a mile in each other's shoes. The gang are celebrating the Ollicopter's birthday. Things go wrong when the Imp tampers with the Ollicopter's heart, turning it from a loyal friend to a cold hearted machine.

The Triangle Aliens have been using a weather machine to change the weather in Ollipolis. But their constant fighting created a tornado headed straight for town! How will Ollie, Sloppy, and Cherry stop the tornado and save the day? Things are getting hot in ollipolis. Sloppy builds everybody air-conditioned domes so that they can stay cool, but is that really the answer

The gang and the aliens are baking bread. But the aliens' Impatience causes an accident in the kitchen and they create a dough man that won't stop growing. Can they save ollipolis from a sticky situation? Ollie, Cherry and Sloppy enter a film competition with their own rendition of Rapunzel. A myserious stranger in a cape auditions for the part of the knight.