Around the year 3000, Pierrot, Psi and the robot Metro, inhabitants of the planet Omega, are tasked with ensuing space security. When they come under attack, their ship crash-lands on an unknown planet...

Oropo and his allies go to Oma Island to recover the Eliacube from Grougaloragran and his brother Chibi.

Following a fall during mistletoe picking, Druid Getafix decides that it is time to secure the future of the village. Accompanied by Asterix and Obelix, he undertakes to travel the Gallic world in search of a talented young druid to transmit the Secret of the Magic Potion.

In order to wipe out the Gaulish village by any means necessary, Caesar plans to absorb the villagers into Roman culture by having an estate built next to the village to start a new Roman colony.