The Tangranimals have eaten a stew flavoured with the Sun Flower, and are completely wired: they can no longer control their energy, and won't go to sleep.
A huge mass is moving in the distance, what is it? It is in fact a skyscraper towed by its Tangrabitants. By wanting to help them, Geo and the Tangranimals will bring him to the edge of the abyss.
Geo can't sleep and comes to ask his friends for advice. But when he arrives, he wakes up tangrasparks which shine brightly: there's no question of anyone sleeping now. They must put out the tangrasparks.
Russ licks up all the food at the picnic, to the point that all the Tangranimals flee from him. Only Geo stays with him - how will he get everyone back.
Russ takes his friends to a sea bubble where a big concert is taking place. But Geo is curious to explore a tiny sea bubble, from which a mysterious music emanates.
Geo and his friends were happy to have fun on the octopus Ferris wheel, but it is too tired and can no longer turn. Geo promises his friends that he will find a solution to help him turn.
That day Geo no longer wanted to do anything. His friends do everything to help him regain his usual energy and take him to breathe the pure air of the mountains.
Russ stinks up the cabin with a foul-smelling stew that is simmering, Geo suggests that we go together in the hills to find a perfume to make the air in the cabin more pleasant.
A large shadow spreads over the tangra-pious canyon, depriving them of the warmth they love so much: a tangra-tree has grown horizontally above them. You have to turn its leaves so that it stands up.
The Tangranimals would like to introduce Geo to the new games that hatch in the spring at the bottom of the canyon, but the transformations they make together to play them "break" very quickly.
The tangra-frogs sing horribly out of tune: their queen has lost the wand with which she directs them. You have to pick a new one from the gravity roots.
Bao and Bao want to complete their collection of cloud pearls, Geo offers to help them by going directly to the clouds to collect pearls. But he didn't foresee the consequences.
Geo is very proud, it's his birthday, he's looking forward to celebrating it with the Tangranimals - but his friends have never heard of that. What's a birthday like? Oula decides to celebrate her "birthday" at Geo.
Russ guides the little gang towards the Tangrapouah Dunes, a place that he loves and that his friends don't know about - The appearance and smell of the place disappoints most of our friends who don't know how to get there.
Geo participates in the games and activities of all his friends by multiplying the transformations. But from so much use, his tablet overheats - and shuts down. Geo doesn't know what to do anymore.
A small sea bubble, on which Russ has placed the picnic, leaves in a sea current - and impossible to catch it. Rather, we must understand where the current is taking the picnic.
Jovial tells his friends the legend of the Flying Titan. Kazu, Oula and Geo wants to believe it and go in search of the Titan. Jovial, convinced that he does not exist, remains.
Jovial shows off: he, square, is worth as much as Kazu and Yogo combined. Geometrically it's true - but here Kazu and Yogo are upset. The race in auto-bubbles degenerates.
Coming back from the mountains, our friends find themselves in the middle of a maze of blocks of ice. Geo takes up the challenge, he is sure to find the exit. - But Geo has not yet discovered the rules of this surprising labyrinth.
Oula leaves on his own to spend an evening with the tangrasparks far from the cabin, his friends find it difficult to trust him to arrive at his destination, alone and at night. They follow her to help her.
Toff and Oula compete to be the best "tangra-buddy" in Geo, going so far as to compromise the goal of the whole gang: to save the house of the Tangra cubes.
Geo and the Tangranimals are preparing a surprise for Bao and Bao: a labyrinth of galleries, they love it. But they reach the exit in 2 seconds - the surprise flop.
Oula organizes a show. But everyone concentrates on their act, it's hard to get everyone to work together. however, we must all repeat together the number of Geo: a transformation.
Jovial has taken his friends to a very popular spa, but Geo makes changes there and the gang is soon expelled for not respecting, in spite of themselves, the rules of the place..
Jovial takes his friends to his favorite pool, but when they get there, Jovial fails to make the promised "Thousand Jets of Water" spurt out. Pipe problems in perspective - it must be repaired.
Toff has unwittingly awakened Tangra-miams, which nibble everything in their path. To protect the sculptures of the dinos or the greenery in the canyons from their appetite, Geo imagines very useful transformations.