Season 01
Season 02
Season 03
Season 04
Season 05
Mxyzptlk returns with a proposition for Kara; Kara must decide if she wants to change history to become friends with Lena again.
All Episodes - S05
EPS01
Kara is surprised to find CatCo has a new owner who has brought in a star reporter; new couples emerge and explore their budding relationships; J'onn J'onzz receives an unexpected visitor.
EPS02
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.
EPS04
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.
EPS05
A NEW DANGER ARISES - 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. Written by Angela
EPS06
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.
EPS08
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.
EPS09
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.
EPS09
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.
EPS10
The subsequent complications from the Crisis leave Supergirl to face a chaotic threat.
EPS10
The subsequent complications from the Crisis leave Supergirl to face a chaotic threat.
EPS11
Winn Schott returns from the future just as Supergirl is pursuing a Toyman copycat.
EPS11
Winn Schott returns from the future just as Supergirl is pursuing a Toyman copycat.
EPS14
Lex forces Supergirl to protect Andrea from an anti-tech extremist as Andrea prepares to roll out Platinum Obsidian. Alex goes through her first day of being on her own rather than with the DEO, Lex tries to forge a partnership with Leviathan, and Kara considers whether refusing to accept William's dinner invitation was a mistake. Written by Gislef
EPS14
Lex forces Supergirl to protect Andrea from an anti-tech extremist as Andrea prepares to roll out Platinum Obsidian. Alex goes through her first day of being on her own rather than with the DEO, Lex tries to forge a partnership with Leviathan, and Kara considers whether refusing to accept William's dinner invitation was a mistake. Written by Gislef
EPS15
While Alex and J'onn look of a man who disappeared into Obsidian's VR, in the real world Nia deal with a hate group member who is targeting the trans community - and targets Nia's roommate Yvette. Meanwhile, Kelly realizes that Obsidian isn't fixing the glitches that she's reported to them. Written by Gislef
EPS15
While Alex and J'onn look of a man who disappeared into Obsidian's VR, in the real world Nia deal with a hate group member who is targeting the trans community - and targets Nia's roommate Yvette. Meanwhile, Kelly realizes that Obsidian isn't fixing the glitches that she's reported to them. Written by Gislef
EPS16
After learning of Jeremiah's death, Alex slips into depression because she couldn't save him. She enters Platinum VR and takes on the role of Supergirl, but soon finds herself unable to remember reality. Meanwhile, Kelly realizes that the glitched failsafe wasn't fixed as she requested, and Kelly and William draw one step closer to Lex and Gemma's plans for Platinum VR. Written by Gislef
EPS16
After learning of Jeremiah's death, Alex slips into depression because she couldn't save him. She enters Platinum VR and takes on the role of Supergirl, but soon finds herself unable to remember reality. Meanwhile, Kelly realizes that the glitched failsafe wasn't fixed as she requested, and Kelly and William draw one step closer to Lex and Gemma's plans for Platinum VR. Written by Gislef
EPS17
Lex's plans since Crisis and his emergence as a hero on the new Earth are revealed, as he secretly manipulates Lena, Supergirl, Eve, and Leviathan against each other to undermine Leviathan and bring about the death of the Kryptonians that he hates. Written by Gislef
EPS17
Lex's plans since Crisis and his emergence as a hero on the new Earth are revealed, as he secretly manipulates Lena, Supergirl, Eve, and Leviathan against each other to undermine Leviathan and bring about the death of the Kryptonians that he hates. Written by Gislef
EPS18
Lex gives a gift to Leviathan so that they can send Rama to acquire what they need to stop Supergirl. Meanwhile, Leviathan continues its plan to bring humanity under its control, and Lena struggles to get Non Nocere to work and faces a prison riot along with Lex and Steve. Written by Gislef
EPS18
Lex gives a gift to Leviathan so that they can send Rama to acquire what they need to stop Supergirl. Meanwhile, Leviathan continues its plan to bring humanity under its control, and Lena struggles to get Non Nocere to work and faces a prison riot along with Lex and Steve. Written by Gislef
EPS19
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. Written by sarah_l91