Yoko möchte ein Musical inszenieren, aber es fehlt ihr an Geld. Da sieht sie eine Anzeige, in der Verkäufer für die neue Süßigkeit Mega Mond-Mints gesucht werden. Sie nimmt den Job an und ist hocherfreut, als sich die Mints als Verkaufsschlager entpuppen. Seltsamerweise sind am nächsten Tag alle ihre Kunden spurlos verschwunden. Josh, Yoko und Brett gehen der Sache nach..
When Yoko sees an ad in the back of Brett’s copy of "Space Marshal Quarterly" for "the business opportunity of a lifetime," she can’t help but to be intrigued. She’s been looking for a way to fund The Yoko Troupers (her new intergalactic theatre troupe) for some time—and selling "Mega Moon Mints" seems to be just the ticket. And so, she quickly sends away for a few hundred boxes of the "deliciously addictive" peppermint edibles. The mints soon arrive—and they’re immediately a huge hit. Yoko is thrilled. That is, until the next day when she wakes up and finds that her fellow GH students and teachers are missing. Yoko goes into investigation mode and figures out that the mints were manufactured on a nearby planet. Along with Josh, Brett, and Fluffy, she takes off to find out what happened. Our gang arrives on the planet to find the missing GH people as well as a handful of other mint-craving aliens—and they also find the evil alien chef who is behind it all. He has engineered his Mega Moon Mints so that anyone who consumes them becomes a mindless mercenary dedicated to his cause of taking over the universe! Brett eats Mega Moon Mints and becomes another drone. Can Josh and Yoko save Brett and others before it's too late? In a b-story, Yoko tries to fund her new theatre troupe, the Yoko Troupers.
