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.

DC's Stargirl Season 3 Episodes...

• s03e01 - Frenemies - Chapter One: The Murder
• s03e02 - Frenemies - Chapter Two: The Suspects
• s03e03 - Frenemies - Chapter Three: The Blackmail
• s03e04 - Frenemies - Chapter Four: The Evidence
• s03e05 - Frenemies - Chapter Five: The Thief
• s03e06 - Frenemies - Chapter Six: The Betrayal
• s03e07 - Frenemies - Chapter Seven: Infinity Inc. (1)
• s03e08 - Frenemies - Chapter Eight: Infinity Inc. (2)
• s03e09 - Frenemies - Chapter Nine: The Monsters
• s03e10 - Frenemies - Chapter Ten: The Killer
• s03e11 - Frenemies - Chapter Eleven: The Haunting
• s03e12 - Frenemies - Chapter Twelve: The Last Will and Testament of Sylvester Pemberton
• s03e13 - Frenemies - Chapter Thirteen: The Reckoning

DC's Stargirl Show Summary

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.