Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.
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see all options Availability data: JustWatch
- Seasons
- 6
- Episodes aired
- 126
- Latest aired
- S06E19
- Total runtime
- 3d 16h
Timeline when each season aired
- Season 1 October 2015 – April 2016 20 episodes
- Season 2 October 2016 – May 2017 22 episodes
- Season 3 October 2017 – June 2018 23 episodes
- Season 4 October 2018 – May 2019 22 episodes
- Season 5 October 2019 – May 2020 19 episodes
- Season 6 March 2021 – November 2021 20 episodes
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S05E01 Event Horizon
October 6 · 42min find the promo
Show synopsis
Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J’onn J’onzz receives an unexpected visitor.
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S05E02 Stranger Beside Me
October 13 · 42min find the promo
Show synopsis
Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem.
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S05E03 Blurred Lines
October 20 · 42min find the promo
Show synopsis
Kara attempts to mend her relationship with Lena. J’onn J’onzz takes a deep dive into his memories while Kelly tries to help an old friend.
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S05E04 In Plain Sight
October 27 · 42min find the promo
Show synopsis
Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point.
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S05E05 Dangerous Liaisons
November 3 · 42min find the promo
Show synopsis
On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy.
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S05E06 Confidence Women
November 10 · 42min find the promo
Show synopsis
While a new villain is under arrest at the DEO, Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past.
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S05E07 Tremors
November 17 · 42min find the promo
Show synopsis
Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onn makes a discovery about his brother's whereabouts.
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S05E08 The Wrath of Rama Khan
December 1 · 42min find the promo
Show synopsis
Supergirl's struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena.
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S05E09 Crisis on Infinite Earths: Part One (I)
December 8 · 42min find the promo
Show synopsis
The Monitor sends Harbinger to gather the worlds’ greatest heroes - Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J’onn and Alex recruit Lena to help them find a way to save the people of Earth-38. This crossover continues on Batwoman S1E09, The Flash S6E09, Arrow S8E08, and Legends of Tomorrow S05E01.
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S05E10 The Bottle Episode
January 19 · 42min find the promo
Show synopsis
The subsequent complications from the Crisis leave Supergirl to face a chaotic threat.
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S05E11 Back from the Future (1)
January 26 · 42min find the promo
Show synopsis
As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future.
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S05E12 Back from the Future (2)
February 16 · 42min find the promo
Show synopsis
Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex.
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S05E13 It's a Super Life
February 23 · 42min find the promo
Show synopsis
Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again.
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S05E14 The Bodyguard
March 8 · 42min find the promo
Show synopsis
Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help.
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S05E15 Reality Bytes
March 15 · 42min find the promo
Show synopsis
Nia’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J’onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.
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S05E16 Alex in Wonderland
March 22 · 42min find the promo
Show synopsis
Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Kara deals with difficult news.
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S05E17 Deus Lex Machina
May 3 · 42min find the promo
Show synopsis
Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan’s latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis.
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S05E18 The Missing Link
May 10 · 42min find the promo
Show synopsis
Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger.
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S05E19 Immortal Kombat
May 17 · 42min find the promo
Show synopsis
Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex.