Pourquoi les ballons volent-ils ?

Messy is wondering how we can keep things attached to the refrigerator. He decides to visit his friends in Okido to find answers. On the way, they meet Glaci who has lost the keys to his ice shack. The whole team helps him to look for them.

Okido is covered with snow, it is the opportunity for Zoe, Félix and Messy to meet snow creatures.

Zoé et Félix expliquent qui est la mère Noël à Messy, qui veut absolument aller la rencontrer.

Le transmetteur de Zoé et Felix pour communiquer avec Zim, Zam et Zoom est cassé.

Il n'y a plus d'électricité à Okido, tout le monde est dans le noir.

There is a heat wave in Okido. Zoe, Felix and Messy are looking for a cool place to rest. They decide to go into space because it's much cooler, but Messy decides to fly the ship and it crashes into a planet. When they return to Okido, the seasons are all mixed up.

Messy loves cartoons and wonders how they can be seen on television. He goes to Okido to find out how a television works but it breaks down. With his friends, he goes into space to solve a new mystery.

Messy is getting ready to sleep and wonders what's shining in the sky. He leaves for Okido and discovers that a comet has taken the direction of Okido. Zoe, Felix and Messy will try to divert its trajectory.

Messy hears a strange noise that sounds like an engine. He realizes it was a bee and wonders why it lands on the flowers. He goes back to Okido and his friends are very sad because the tomato plants don't grow anymore.

Messy wonders what are the tiniest things in the world. He departs to join his friends in Okido to find an answer. Meanwhile, Zim decides to shrink himself to prove to the mayor that the world is made of atoms. But they get stuck with atoms.

Messy wonders why his heart makes so much noise when he exercises. He thinks his heart is playing the drum. He asks his friends in Okido to help him find answers to his questions.

Messy is looking for his friends and notices the metal legs of the tallest robot in Okido. He will need the help of people to build a bridge to reach the island in one day.

A bad smell invaded Okido. Zoe and Felix are no longer able to bear this scent, except for Messy. They investigate to find out where the bad smells come from.

Messy wonders why there are all kinds of colors. He leaves for Okido to find answers with the help of his friends but they find themselves repairing the damage of Zam's vacuum cleaners which suck up all the colors of Okido.

Zim, Zam and Zoum have lost control of their air bubble machine that takes them to the North Pole, the desert and the bottom of the sea. Messy and his friends take the opportunity to discover the different habitats of the animals.