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Keep your friends close and your frenemies closer.
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.
With Starman back from the dead and her former super-villain enemies vowing to reform, Courtney is hopeful that there will finally be peace in Blue Valley.
After stumbling upon a suspicious murder in Blue Valley, the JSA begin looking at potential suspects.
After one of Sylvester's plans results in an unexpected outcome, Pat calls upon an old friend for help. Meanwhile, Beth uncovers a new suspect in their murder investigation.
After one of Sylvester's plans results in an unexpected outcome, Pat calls upon an old friend for help. Meanwhile, Beth uncovers a new suspect in their murder investigation.
As Courtney continues to secretly help Cameron, the team notices she's pulling away from her role as the JSA leader. Mike and Jakeem approach Cindy with a proposition.
After learning that Courtney has been spending time with Cameron, Pat and Barbara go on a recon mission to see if the Mahkents pose a threat.
After Beth makes a major discovery on The Gambler's laptop, the team moves forward with a risky plan that effects the entire town of Blue Valley.
Desperate to avert a major crisis on their hands, Courtney attempts to help a friend navigate their powers. Elsewhere, Pat and The Shade are forced to face their worst fears.
After a recent experience renews Courtney's confidence, she sets out to make amends with those around her. Jakeem puts his foot down after Mike shares his latest plan.
Courtney and the team regroup after a confrontation leaves battle lines clearly drawn. A terrifying discovery made by Mike and Jakeem forces Pat and Sylvester to go on high alert.
As Courtney, Sylvester and the JSA plot to take down a major threat, the arrival of someone from their past sends shock waves through the town.
As the team devise a plan to deal with their latest threat, Sylvester takes matters into his own hands and leaves Courtney, Pat and the JSA fearing for what comes next.
Courtney and the JSA find themselves in the fight of their lives against their biggest threat yet.
Brec Bassinger
Courtney Whitmore / Stargirl
Yvette Monreal
Yolanda Montez / Wildcat
Anjelika Washington
Beth Chapel / Dr. Mid-Nite
Cameron Gellman
Rick Tyler / Hourman
Trae Romano
Mike Dugan
Meg DeLacy
Cynthia 'Cindy' Burman / Shiv
Alkoya Brunson
Jakeem Williams
Neil Hopkins
Lawrence 'Crusher' Crock / Sportsmaster
Joy Osmanski
Paula Brooks / Tigress
Amy Smart
Barbara Whitmore
Luke Wilson
Pat Dugan / S.T.R.I.P.E.
Joel McHale
Sylvester Pemberton
