The first part of this animated series, Once Upon a Time... Space, deals with epic battles in the Andromeda galaxy.

In the second part of this sci-fi cartoon series, the Consul and General of Cassiopeia begin planning their conspiracy against the Galactic Confederation of Omega.

Pierrot and his copilot are sent on an observation mission to Andromeda. They stop by an intriguing Green Planet with a wonderful spongy surface.

Pierrot wakes up on a beautiful and verdant planet, whose king tells him of the damage done by some evil-minded visitors long ago.

After waiting for hours for his troops to return, the Consul learns that they are under attack. He sends his deputy to investigate the situation.

The King of the Forest recounts the atrocities inflicted on the Green Planet by humans long ago, as well as how its inhabitants decided to stop the massacre.

Pierrot's adventure on the Green Planet continues. In this episode, the Omega Confederation foils the General's plans to invade this beautiful and peaceful planet.

In the first episode of this series on outer space, the humans are faced with a robot rebellion. Now who will serve them coffee in their hovercrafts?

The day we've all been dreading has finally arrived... robots are taking over the world! See how the Governor handles the situation in this installment of Il était une fois... L'Espace.

It's not looking too great for the humans in their battle against the robot rebels. With only a handful of troops on their side and the robots bent on taking over the planet, how will they ever succeed?

The Maestro realizes that the reason behind the robot rebellion lies in their circuitry. But what could have caused them to turn against their human masters? Stay tuned...

In the hope of bringing an end to the troublesome robot rebellion, the humans are sending two robot emissaries of their own to the robot-occupied planet. But how will these guests be received?

With the humans producing new robot allies every minute, it looks like they should be able to stand up to the rebels. But will the rebel robots prove stronger than the allies?

It's Métro versus Goldenbar in this epic battle between robots and humans. Will the humans finally subdue their former servants? Or will the robot rebels finally achieve their goal of world domination?

Have you ever wondered what a blood platelet actually does? Find out as the Once Upon a Time... series tackles biology.