Max and the others visit an interplanetary circus. Accidentally they discover that the ringmaster had kidnapped the animals and is making them perform against their will.
The gang goes to a storybook world since Max is so bored with fairy tales. All is well until XS, the naughty cousin of FX makes everyone dance to music, which distracts them from their duties.
Max and his friend are on a mission, ordered by Agent Wally. They're after a virus from Osirus that infected Zoe. Max has to do everything to capture it, otherwise he will never go into outer space again.
Zoe takes part in a vegetable competition. She managed to grow a giant carrot, named Rooty. Max has to rescue Rooty from the rabbit Fatso, who wants to eat him.
Max gets thrown out of his rocket by accident. He falls into the hands of a few astronauts, who are thinking that Max is an alien. People on Earth mistake Max's baby talk for an alien language.
