Season 1
20 episodes
44 min. per episode
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A young hero battles personal doubts and external threats, discovering her true power while redefining what it means to be a hero.
Trailer
Episodes
Twenty-four-year-old Kara Zor-El, cousin of Superman, who was taken in by the Danvers family when she was 12 after being sent away from Krypton, must learn to embrace her powers after previously hiding them.
Kara must put doubts aside as she tries to apprehend an escapee from the Kryptonian prison; Cat pressures James for an interview with Supergirl.
Supergirl's powers are put to the test when one of Superman's most formidable enemies, Reactron, shows up in National City to take her down. In the meantime, Cat makes plans to run an expose on Supergirl.
Kara must protect National City from a series of bombings and babysit Cat's son, while James is visited by Lucy Lane.
Kara's foster mother visits for Thanksgiving, while an accident transforms a volatile CatCo employee into Livewire.
The adventures of Superman's cousin and her own superhero career.