Episodes
Kara prepares to accept a Pulitzer for her writing, and comes to a decision about sharing her secret identity with Lena. A new ...read more Kara prepares to accept a Pulitzer for her writing, and comes to a decision about sharing her secret identity with Lena. A new villainess and former foe emerges from the Phantom Zone to fight John, and Lena sells CatCo to an associate who has big changes in store for the organization. show less
Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use ...read more 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. show less
Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to ...read more 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. show less
Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who ...read more 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. show less
On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that ...read more 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. show less
Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onnz makes a discovery about his ...read more Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onnz makes a discovery about his brother's whereabouts. show less
The Monitor sends Harbinger to gather the worlds’ greatest heroes - Supergirl, The Flash, Green Arrow, Batwoman, White Canary, ...read more 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 show less
Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, ...read more 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. show less
Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping ...read more 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. show less
Nia's roommate, Yvette, is attacked by a man targeting Dreamer because he doesn't like that Dreamer is transgender and ...read more 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. show less
Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, ...read more 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. show less
Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and ...read more 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. show less
Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project ...read more 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. show less
Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she'd trust ...read more 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 (Jesse Rath) but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex. show less