When four Beverly Hills teenagers are chosen to defend earth and our galaxy from the evil forces of Emperor Gorganus, they band together to form the Cosmic Knight. Selected by the kind alien Nimbar and given tattoos based on a their constellation, this team of superhero teens have the power to be transformed into Galactic Sentinels in order to fight the evil forces of Melechulah.

Caesar is having a hard time dividing his time between his band and his rich girlfriend, Buffer. Buffer's dad doesn't like Ceasar, so he makes Caesar a bet. If Caesar can make a hundred thousand dollars within six months, he can stay with Buffer... but if he fails, their relationship is over forever. How can Ceasar win the bet if he only knows how jam with his band?