Prêt, feu... raté!

Véronique is so busy organizing the gourmet fall party that she forgot the food. Her only hope is a farm that may be haunted. Boo!

Mademoiselle Bille-en-Tête and the class scour the internet to find a digital Arnaud before Jyoti's grandmother accidentally deletes it.

Children learn to see the world through the eyes of different animals when Arnaud, reckless, loses Carlos's spleen, then makes it invisible!

A race between the competitive brothers Carlos and Mikey takes the group to the top of a mountain of pasta, where they learn how simple machines work.

The children go in search of rain to test Jyoti's latest invention, the self-umbrella, but they end up with their heads in the clouds.

Mathematics help Raphaël make calculations in mid-flight when his cousins recruit him for their dizzying circus number.

Thomas says that trees can speak and Raphael refuses to believe it. Mademoiselle Bille-en-Tête takes them into a much noisier forest than it seems.

Everyone has to poop. But the class is not convinced that this 'brown gold' has as much value as claimed by Anne-Sophie's uncle inventor.

The bus transports Mademoiselle Bille-en-Tête and classifies her inside Janet, Arnaud's cousin, to understand why genes determine who we are.

A study trip to the center of the sun makes a dangerous detour when Mr. Réglo, the school principal obsessed with safety, decides to accompany the class.