Season 1
Ep 1 - Pilot
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In the series premiere, Courtney Whitmore moves to Nebraska with her family and discovers her stepfather, Pat Dugan is hiding a major secret.
Ep 2 - S.T.R.I.P.E.
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After Courtney has an unexpected run-in with a member of the Injustice Society of America, Pat reveals the truth to her about their history.
Ep 3 - Icicle
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After a dangerous run-in with the Injustice Society of America, Pat warns Courtney to back down from her attempts to go after them. Barbara impresses her new boss, Jordan.
Ep 4 - Wildcat
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After realizing that she needs the extra help, Courtney sets out to recruit new members to the Justice Society of America – starting with Yolanda Montez.
Ep 5 - Hourman and Dr. Mid-Nite
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A search for Rick Tyler leads Courtney, Yolanda and Beth Chapel to Cindy Burman’s Halloween party.
Ep 6 - The Justice Society
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After Pat confronts Courtney about the potential consequences of recruiting new JSA members, Courtney makes a difficult decision and the JSA prepare for their first mission.
Ep 7 - Shiv (1)
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As Pat teaches Courtney, Yolanda, Beth and Rick the importance of teamwork, the ISA converge to figure out who is trying to take them down.
Ep 8 - Shiv (2)
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After Courtney gets herself into some trouble, Pat decides they need to come clean to Barbara. Meanwhile, Yolanda, Beth and Rick lead an investigation into a classmate.
Ep 9 - Brainwave
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Tensions rise among the JSA members after Courtney suggests who she wants to recruit next to the team. Meanwhile, Henry, Jr. makes a surprising discovery about his father.
Ep 10 - Brainwave Jr.
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As Henry Jr. hones his newfound skills, secrets from his family’s past force him to make a difficult decision. Tensions between Pat and Barbara have her revisit her own past.
Ep 11 - Shining Knight
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While Pat uncovers new information about the ISA’s plan, Courtney’s life gets turned upside down when someone from her past arrives in Blue Valley.
Ep 12 - Stars & S.T.R.I.P.E. (1)
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With the ISA on their trail, Courtney, Pat & the team regroup to figure out their next step. Meanwhile, Rick makes a breakthrough, as the team prepares for a showdown with the ISA.
Ep 13 - Stars & S.T.R.I.P.E. (2)
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As the Injustice Society of America come closer to accomplishing their mission, Courtney and the JSA face off against Icicle and the villains of the ISA in the season one finale.
Season 2
Ep 1 - Summer School: Chapter One
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With summer break around the corner, Pat suggests the family take a vacation after seeing that Courtney has been spending too much time focused on being Stargirl and not enough time on her schoolwork.
Ep 2 - Summer School: Chapter Two
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Still on the lookout for evil in Blue Valley, Courtney grows suspicious after an unexpected visitor shows up at the Dugan house.
Ep 3 - Summer School: Chapter Three
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After getting a taste of the superhero life, Mike pleads with Pat to let him join the team. Elsewhere, after seeking help from Thunderbolt, the JSA prepare for a confrontation with The Shade.
Ep 4 - Summer School: Chapter Four
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As Pat considers whether he should come clean to Courtney about Eclipso's past, a surprise visit from Crock and Paula catches him and Barbara off guard.
Ep 5 - Summer School: Chapter Five
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As Pat and Courtney clash over their next steps in their search for Eclipso, ominous weather conditions in Blue Valley hint that he may be near.
Ep 6 - Summer School: Chapter Six
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Cindy and her new team make their move against the JSA leading to an epic showdown.
Ep 7 - Summer School: Chapter Seven
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When the guilt over Brainwave's death becomes too much to handle, Yolanda is forced to make a heartbreaking decision.
Ep 8 - Summer School: Chapter Eight
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With his world crashing down around him, Rick focuses his attention on protecting Solomon Grundy after learning hunters are after a bear in the woods.
Ep 9 - Summer School: Chapter Nine
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As Eclipso takes aim, Pat is reminded of painful memories from his past; Mike is forced to confront the guilt he feels for his role in Icicle's death; Courtney struggles to hold onto hope after Eclipso targets those around her.
Ep 10 - Summer School: Chapter Ten
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Although devastated after discovering a dark secret that Pat kept hidden from her, Courtney and Pat put their issues aside to find help from Jennie against Eclipso.
Ep 11 - Summer School: Chapter Eleven
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After a frightening encounter leaves Courtney's life hanging in the balance, the team band together to determine their next steps.
Ep 12 - Summer School: Chapter Twelve
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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.
Ep 13 - Summer School: Chapter Thirteen
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As Eclipso unleashes the final part of his master plan, Courtney, Pat and the JSA band together to take him down once and for all.
Season 3
Ep 1 - Frenemies - Chapter One: The Murder
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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. But when The Gambler arrives to town looking to make his own amends, the team find themselves at odds over whether he can be trusted.
Ep 2 - Frenemies - Chapter Two: The Suspects
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After stumbling upon a suspicious murder in Blue Valley, the JSA begin looking at potential suspects. A tense run-in with The Shade makes Courtney and Pat realize that Sylvester’s old ways could land them in hot water. Finally, Barbara steps in to help Paula, whose attempt at fitting in has not gone so well.
Ep 3 - Frenemies - Chapter Three: The Blackmail
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Courtney and the JSA receive an anonymous tip that could help in their murder investigation. Meanwhile, after being told to find balance, Sylvester looks into potential jobs in Blue Valley, while also trying to figure out who he is without his Starman identity.
Ep 4 - Frenemies - Chapter Four: The Evidence
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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, and Courtney reaches out to Cameron.
Ep 5 - Frenemies - Chapter Five: The Thief
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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. Finally, Yolanda’s decision to follow her intuition leads her to make a shocking discovery.
Ep 6 - Frenemies - Chapter Six: The Betrayal
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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.
Ep 7 - Frenemies - Chapter Seven: Infinity Inc. (1)
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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.
Ep 8 - Frenemies - Chapter Eight: Infinity Inc. (2)
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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.
Ep 9 - Frenemies - Chapter Nine: The Monsters
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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. Finally, Beth makes a major discovery that leads to a terrifying battle no one saw coming.
Ep 10 - Frenemies - Chapter Ten: The Killer
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Courtney and the team regroup after a dramatic confrontation leaves battle lines clearly drawn. A terrifying discovery made by Mike and Jakeem forces Pat and Sylvester to go on high alert. Finally, Paula and Larry take matters into their own hands to make things right.
Ep 11 - Frenemies - Chapter Eleven: The Haunting
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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.
Ep 13 - Frenemies - Chapter Thirteen: The Reckoning
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Courtney and the JSA find themselves in the fight of their lives against their biggest threat yet.