Episodes
As Braniac lays close to death after trying to stop Lex , Supergirl and team soar in to save him, engaging in an epic battle ...read more As Braniac lays close to death after trying to stop Lex , Supergirl and team soar in to save him, engaging in an epic battle with Gamenmae. After beating Leviathan, Supergirl turns her attention to Lex who has used the Obsidian platform to brainwash half the world to love him and follow him at all costs, no matter what horrible things he does. Knowing how dangerous this makes her brother, Lena enlists the entire team - Alex, J'onn, Dreamer, Kelly and Braniac - to help, but Supergirl realizes that the only way to truly stop Lex is to sacrifice herself. show less
As the stakes with Lex are raised higher than ever before, Lena must decide how far she is willing to go to stop her brother. ...read more As the stakes with Lex are raised higher than ever before, Lena must decide how far she is willing to go to stop her brother. Meanwhile, Supergirl and the team are faced with a challenge unlike anything they've ever dealt with before and it brings Alex to her breaking point. show less
Supergirl makes a new ally. Lena and Lex battle for control of Luthor Corp.
Supergirl finds an opportunity to escape from the Phantom Zone but it comes with some dangerous strings attached. Meanwhile, ...read more Supergirl finds an opportunity to escape from the Phantom Zone but it comes with some dangerous strings attached. Meanwhile, Lena joins the Super Friends on a mission but finds she disagrees with their plan of action against the Phantoms and wonders if she is truly ready to be a part of the team. show less
Nia and Brainy attempt to save Supergirl from the Phantom Zone by time traveling back to Kara's home in 2009. While ...read more Nia and Brainy attempt to save Supergirl from the Phantom Zone by time traveling back to Kara's home in 2009. While determined to secure the item needed to help Supergirl, Brainy is worried about keeping a low profile so as not to alter the future timeline. However, when their ship crashes upon arrival, a young Kara Danvers is the first on the scene. Meanwhile, a young reporter named Cat Grant sets her sights on Midvale as she suspects there is a big story in the small town. show less
Flashbacks reveal young Kara experiencing kryptonite for the first time; Nia and Brainy are trapped by invading aliens; a young ...read more Flashbacks reveal young Kara experiencing kryptonite for the first time; Nia and Brainy are trapped by invading aliens; a young Cat Grant may be the reason Supergirl never gets out of the Phantom Zone. show less
As the Super Friends brave the Phantom Zone to bring Supergirl home, each member of the team is confronted by visions of their ...read more As the Super Friends brave the Phantom Zone to bring Supergirl home, each member of the team is confronted by visions of their worst fear. show less
As Supergirl and Zor-El make their return to National City, they are determined to keep the Phantom Zone behind them and enjoy ...read more As Supergirl and Zor-El make their return to National City, they are determined to keep the Phantom Zone behind them and enjoy being superheroes together. Unfortunately, their overzealous efforts backfire, creating a whole new threat to National City. show less
Kelly meets Joey, a young orphaned alien boy, who is acting out in foster care because he fears there is something wrong with ...read more Kelly meets Joey, a young orphaned alien boy, who is acting out in foster care because he fears there is something wrong with his brother Orlando, who is incarcerated. Kelly asks Kara to help her investigate and they stumble upon abuse at the prison. Meanwhile, Nyxly crashes one of Nia's dreams and asks her for help. show less
Supergirl intervenes when a building in the Heights that was set aside for low income housing is suddenly at risk to be sold to ...read more Supergirl intervenes when a building in the Heights that was set aside for low income housing is suddenly at risk to be sold to a major corporation. Supergirl recruits Orlando to help her win over the city, but things go awry when Nyxly shows up. Meanwhile, Nia trains with her mother. show less
Supergirl and team must stop Nyxly from vanquishing a familiar face from Supergirl's past - Mr. Mxyzptlk. Mxy returns and ...read more Supergirl and team must stop Nyxly from vanquishing a familiar face from Supergirl's past - Mr. Mxyzptlk. Mxy returns and explains Nyxly's dark history to the super team in the best way he knows how - in song form. Meanwhile, Lena visits her mother's birthplace in Ireland, eager to dig into her past but is shocked by the small town's icy reception towards her. show less
Kelly is horrified when the Ormfell building implodes, injuring many in the community, including Joey. However, her horror ...read more Kelly is horrified when the Ormfell building implodes, injuring many in the community, including Joey. However, her horror quickly turns to frustration when she realizes that the hospital is overwhelmed, people are getting sicker, and no one is coming to help - including Supergirl who is busy fighting Nyxly. Knowing that she can make a difference, Kelly embraces her power and fully steps into her role as Guardian. Joined by Supergirl, Alex, Diggle and team, Guardian leads the way to restoring justice to the fallen community. show less
Supergirl and team race Nyxly for control of a magical totem that controls courage. Supergirl and Nyxly battle and each get a ...read more Supergirl and team race Nyxly for control of a magical totem that controls courage. Supergirl and Nyxly battle and each get a piece of the totem but learn the first person to pass the test of courage will gain control of the entire thing. Meanwhile, Lena is still struggling to make sense of her newfound gift. show less
Lena is uncertain about using her magical abilities to help Supergirl retrieve the second totem from Nyxly. William struggles to ...read more Lena is uncertain about using her magical abilities to help Supergirl retrieve the second totem from Nyxly. William struggles to write a story on the Super Friends that makes both the heroes and Andrea happy. Meanwhile, Kelly is thrilled Esme has found a new home, but things go awry and the little girl's future is put in danger. show less
Supergirl continues to fight Nyxly for the remaining totems but after Nyxly kidnaps William, Supergirl realizes she needs to ...read more Supergirl continues to fight Nyxly for the remaining totems but after Nyxly kidnaps William, Supergirl realizes she needs to take a more proactive stance to keep National City safe. Meanwhile, Alex faces the biggest challenge of her life. show less
Kara lands her dream story for Catco but when the city is suddenly attacked by a nightmare monster at the same time as her ...read more Kara lands her dream story for Catco but when the city is suddenly attacked by a nightmare monster at the same time as her interview, she is forced to take a serious look at her life and decide if she can continue to live as both Kara and Supergirl. As Dreamer takes the lead on the search for the Dream Totem, which can vanquish the nightmare monster in National City, she realizes she needs to ask her sister Mauve for help. Old wounds resurface as the two sisters come face to face. show less
When Lex Luthor appears by Nyxly's side, Supergirl and team must deal with the emotional fallout of facing their two biggest ...read more When Lex Luthor appears by Nyxly's side, Supergirl and team must deal with the emotional fallout of facing their two biggest foes at the same time. Alex makes plans for the perfect proposal to Kelly, but work keeps getting in the way. show less
Supergirl is determined to keep everyone safe from Lex and Nyxly so she doubles down on patrol, especially as Alex and ...read more Supergirl is determined to keep everyone safe from Lex and Nyxly so she doubles down on patrol, especially as Alex and Kelly's bachelorette party is coming up. Alex is torn between duty and finally allowing herself the time to enjoy her new family. Brainy receives heartbreaking news, and William clashes with Andrea over her recent coverage of Lex. show less
In the penultimate buildup to the season finale, Supergirl and the super friends take drastic action after a loved one is ...read more In the penultimate buildup to the season finale, Supergirl and the super friends take drastic action after a loved one is kidnapped by Nyxly and Lex. An unlikely ally steps in to help the team. show less
In the epic series finale, Supergirl is joined by familiar faces from the past to help her stop Lex and Nyxly for good. ...read more In the epic series finale, Supergirl is joined by familiar faces from the past to help her stop Lex and Nyxly for good. Meanwhile, Alex and Kelly prepare to walk down the aisle. show less