A big green alien spaceship lands in Ollipolis and the gang has to help their new alien friends repair their ship so they can return home. Sloppy builds the Triangle Man and the gang tries to find him a new friend.

It's snowing and the Ollicopter is freezing! Ollie and Friends try to build him a shelter. All the signboards in Ollipolis have been painted over! The gang sets about to catch the culprit.

The gang tries to recreate the circus in their backyard. They enlist the help of the magnificent Mantaray, who has stage fright! The gang is playing on the slide in the playground. Ollie and Cherry help Sloppy with his fear of heights.

The gang enjoys a picnic in the park when they find out that the Triangle Man can only eat triangle-shaped food. The gang prepares to go on a camping trip! However, the tent that they've built is much too small! They learn why pyramids make the perfect tent structure.

Sloppy and Cherry set up train tracks around the house to deliver food to them anytime, anywhere! Things quickly go off the rails. The Triangle Aliens are back for a visit and an exciting game of hide-and-seek!

A mischievous genie comes out of Sloppy's Rubik's cube and makes all the squares disappear - including the ones in salt! Sloppy tries to build a treehouse - but it looks nothing like the blueprint!

Making sandwiches can be heaps of fun! Cherry teaches Ollie and Sloppy the joy of making sandwiches! Sloppy builds a snake out of squares and it comes to life. Uh-oh!

Sloppy's pie is stolen by the Shifty Squares! The gang tries to find them and solve the crime. Ollie's laptop is missing the letter 'O', so the gang can't play their favourite computer game!

The gang plays baseball with Triangle Man. Later, Cherry learns the importance of saving water. Cherry finds an old square radio that plays square music. The gang learns more about this strange music and even how to square dance!

The gang makes a gigantic waffle for lunch and learn that sometimes too much of a good thing can be a bad thing. Rover disappears from the backyard. Worried, the gang looks for him everywhere and meets The Red Man, learning traffic safety on their quest to find Rover.

The gang pays a visit to the art gallery and falls in love with the painting of a ballerina. Ollie tries to recreate the painting with Cherry and Sloppy. Ollie and Sloppy help Cherry in Tetris by teaching her about rectangles, but her newfound love of rectangles causes her to go on a rectangular rampage!

While spring cleaning, the gang finds a new favourite instrument - shoeboxes! They also find a new friend - a quiet cricket. The gang finds a vial of yellow liquid that makes everything yellow!

It's Jinxy's birthday and the gang has prepared a special present. However, it breaks before Jinxy can even unwrap it! The gang tries to grow their own apple tree in the backyard.

Cherry teaches Ollie and Sloppy how to play the piano. The boys have to face the music when they excitedly paint Cherry's piano their favourite colour - blue! The gang tries to learn how to play the harmonica but isntead discovers Sloppy's hidden talent.

The gang is carrying pots of paint home when Sloppy trips, throwing paint all over the zebra crossing. How will they cross the road now? The gang and Triangle Man play an intense game of tennis, when they realise they've made a mess!

The gang discovers that they can make music with water glasses. The gang collects oranges from an orange tree and embark on an orange operation: to squeeze up a fresh glass of orange juice.

Ollie and Cherry teach Sloppy how to bake cookies. When Sloppy goes into a cookie frenzy, the gang venture into the wild to find him some circular and healthy treats. Ollie enters a go-kart race but realises that his go-kart is in pretty bad shape! With the help of Cherry and Sloppy, the three of them get the go-kart ready for the race.

A big truck dumps sand in the gang's backyard, where they discover that even a pile of sand can be used to make beautiful art! The gang builds a new kennel for Rover.

Cherry prepares a circle-themed spaghetti meatball dinner for her friends. The gang rehearses their hip hop dance moves with the help of a time-warping cuckoo clock.

Rover starts to gain weight from too much snacking. The gang tries to find ways to keep Rover active and healthy! The gang tries to teach the Triangle Aliens how to swim so they can go to the beach together.

Cherry teaches Ollie and Sloppy how to make music with egg shakers. The gang plays with balloons of all shapes and sizes, and when round and oval shapes get boring, they venture to the wild for balloon ideas!

The bees are not getting enough food from the flowers in the backyard, so the gang decide to bring the hive to a flower field. The gang is cleaning out the attic when they come across a magical oval basket full of oval-shaped things.

The gang spots a huge yellow blimp in the air and decide to build a yellow blimp of their own. However, they've learn a thing or two about what you should bring on a blimp. Ollie sees his reflection in a long mirror and decides that he wants to grow taller fast. However, he learns that that growing happens bit by bit and not overnight.

The gang teaches an elephant how to play football. The gang hosts a tea party for their friends and their pets. However, not all the food are good for animals!