With the looming threat of Eclipso hanging over them, Courtney seeks help from the unlikeliest of places. Meanwhile, Mike's search to find Thunderbolt leads him straight to his friend Jakeem, and Pat goes to extreme lengths to protect Rick.
Courtney Whitmore, a smart, athletic and above all else kind girl, discovers her step-father has a secret; he used to be the sidekick to a superhero. 'Borrowing' the long-lost hero's cosmic staff, she becomes the unlikely inspiration for an entirely new generation of superheroes.
DC's Stargirl - Summer School: Chapter Twelve Synopsis and Schedule