Our favorite fearless space hero, Zack is still on the lookout for his lost spacecraft, the Risky Rascal. Suddenly, he and Omega Chimp receive a class 2-B distress signal -- a group of orbiting second graders is in need of a hand A renegade band of warrior space mice -- the Warlords of Nibblecheese -- has kidnapped the class's teacher. Not only are these pint-sized rodents planning to destroy the Earth, but they also want to eat the moon (everyone knows it's made of cheese ). Zack knows he must spring into action -- even if it does mean saving Mrs....

According to the news, Zack's ship, the Risky Rascal, just dropped off sixteen million smelly pigs on the planet Bounceback. So Zack, Effie, and omega Chimp are hot on the trail The only problem is, no matter how many star charts Omega Chimp downloads from the Astronet, they just can't seem to find Bounceback It's almost like the planet is disappearing -- but planets don't do thatSdo they?

What's worse, every planet these space heroes do manage to land on has pigs on it -- so how do they know which one is Bounceback?

To top it...