The youngest and spunkiest girl in outer space is back and ready to play! Supermuscleman and Doc Krok are at it again, and it's not just the galaxy they're out to ruin - it's Sardine and Little Louie too! Get ready for the ultimate matchup as wits battle brawn in the best bout of this series. Yes, that's right - it's the Space Boxing Championship and the fearless cousins must go head to head with Supermuscleman, Chief Executive Dictator of the universe, shrunken for disguise but just as muscley. And so begins another day in the life of Sardine...