Highest Composite Rated Episodes
Supergirl is hurt by a kryptonite-powered villain sent by Cadmus to attack National City. Superman blames Hank since the ...read more Supergirl is hurt by a kryptonite-powered villain sent by Cadmus to attack National City. Superman blames Hank since the kryptonite was stolen from the DEO. In the meantime, Kara's first day at her new job doesn't go as planned when she meets her new boss. show less
In the Season 2 premiere, Supergirl's famous cousin arrives on the scene to help her deal with a new threat to the citizens ...read more In the Season 2 premiere, Supergirl's famous cousin arrives on the scene to help her deal with a new threat to the citizens of National City. While having Clark Kent around is a thrill for Kara, their family reunion leaves Alex feeling a bit left out. Meanwhile, Cat Grant encourages her young protégé to make a bold decision in both her personal and professional lives; and Hank and Supergirl are stunned by the alien pod that crashed to Earth. show less
The Guardian arrives to lend a hand when an alien parasite drains Supergirl of her power. Mon-El contemplates his motives when ...read more The Guardian arrives to lend a hand when an alien parasite drains Supergirl of her power. Mon-El contemplates his motives when he considers a new career. Alex faces a new reality. show less
Supergirl faces a ruthless new gang that's been given new alien technology by Cadmus.
Supergirl and the DEO are assigned to protect the President when an attack on her causes alien vs. human rights in National City ...read more Supergirl and the DEO are assigned to protect the President when an attack on her causes alien vs. human rights in National City to heat up. Alex investigates the case with Maggie Sawyer while Kara fears Mon-El may be responsible. show less
Supergirl tries to stop an alien fight club run by Roulette, while Hank gets to know M'Gann.
Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of ...read more Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth’s mightiest heroes – Green Arrow, Supergirl, The Flash and White Canary – lead their teams into battle to save the world. show less
Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy ...read more Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign. Meanwhile, the tension between Lena and Morgan Edge continues to build, causing James to step in and offer up some protection, and possibly igniting a spark in the process. 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
Lena's ex-boyfriend Jack Spheer comes to National City to reveal his breakthrough in nanotechnology that has the potential ...read more Lena's ex-boyfriend Jack Spheer comes to National City to reveal his breakthrough in nanotechnology that has the potential to eliminate all diseases. show less
When Alex is kidnapped, Supergirl and Maggie must work together to save her.
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
J'onn has a meeting with his deceased father, while Supergirl, Alex, and Lena join forces to track down Eve and locate ...read more J'onn has a meeting with his deceased father, while Supergirl, Alex, and Lena join forces to track down Eve and locate Lex. show less
As Kara doggedly works as a reporter to clear Supergirl's name, Dreamer picks up the slack as National City's protector, ...read more As Kara doggedly works as a reporter to clear Supergirl's name, Dreamer picks up the slack as National City's protector, which leads to a showdown with Ben Lockwood. James takes drastic measures to relieve his PTSD. show less
Supergirl and team take on Serena in an epic battle for Earth.
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
Kara travels with Nia to the latter's hometown and discovers that Nia is inheriting the Dreamer power from her mother... ...read more Kara travels with Nia to the latter's hometown and discovers that Nia is inheriting the Dreamer power from her mother... which has skipped Nia's sister Maeve. In National City, an outbreak of a new drug rage starts and Alex investigates while asking J'onn to determine if she's having memory problems. 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
The DEO captures a second Worldkiller, Purity. Supergirl and Alex use very different methods of interrogation with Purity in ...read more The DEO captures a second Worldkiller, Purity. Supergirl and Alex use very different methods of interrogation with Purity in the hopes of finding out how to defeat Reign. However, Purity escapes and attacks the city’s subway tunnels. Meanwhile, J’onn, Winn and Mon-El band together to fix the Legion ship. show less
Nia has a powerful dream about Agent Liberty but refuses to look at it as a prophetic dream, Kara and Brainy try to persuade Nia ...read more Nia has a powerful dream about Agent Liberty but refuses to look at it as a prophetic dream, Kara and Brainy try to persuade Nia to embrace her destiny, and Manchester Black pays Ben Lockwood a menacing visit. show less
Everyone gathers for Thanksgiving but Kara is feeling down after her televised debate with Ben Lockwood about the anti-alien ...read more Everyone gathers for Thanksgiving but Kara is feeling down after her televised debate with Ben Lockwood about the anti-alien sentiment coursing through National City. Meanwhile, James and Lena argue about the best way to handle the Children of Liberty. show less
National City is attacked by a Phorian, a normally peaceful race with telekinetic abilities.
Supergirl and Lena go to Stryker's Island to check out Lex's cell, and find a clue to his schemes. Supergirl is declared ...read more Supergirl and Lena go to Stryker's Island to check out Lex's cell, and find a clue to his schemes. Supergirl is declared a criminal and is forced to question whether she does more harm or good, while James deals with the fallout from being injected with the serum. 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
MORGAN EDGE SETS HIS SIGHTS ON LENA — When multiple children get sick from lead poisoning, Morgan Edge points the finger at ...read more MORGAN EDGE SETS HIS SIGHTS ON LENA — When multiple children get sick from lead poisoning, Morgan Edge points the finger at Lena and blames her creation of the lead bomb she made to save National City from the Daxamites. While Lena knows she never intended any harm, she fears there may have been a flaw in her design, leaving her responsible. Kara teams up with Samantha to clear Lena’s name, but it turns out to be harder than they thought. Meanwhile, Alex and Maggie make a crucial decision about the future of their relationship. 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 is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena ...read more Supergirl is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena considers how far she will go to keep Reign contained. 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
Aliens attack National City with the intention of collecting a large bounty put out on Supergirl.
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, The Flash, Green Arrow and Superman engage in the battle of their lives.
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
Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged father. Supergirl joins ...read more Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged father. Supergirl joins J’onn on a personal mission. 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
Someone tries to kill Morgan Edge and he barely survives. He accuses Lena of being behind the attempt and vows to destroy her. ...read more Someone tries to kill Morgan Edge and he barely survives. He accuses Lena of being behind the attempt and vows to destroy her. When Lena fears her hatred for Morgan will take her to the Luthor dark side, Kara steps in to help her friend. Meanwhile, after Sam realizes she’s losing time, she confides in Alex who decides to run some medical tests to see if she can find out what’s going on with her new friend show less
As Reign (Odette Annable) continues to terrorize the city, Supergirl teams up with Saturn Girl, and the two recruit ...read more As Reign (Odette Annable) continues to terrorize the city, Supergirl teams up with Saturn Girl, and the two recruit Supergirl’s former enemies, Livewire and Psi, to form a team for a mission to Fort Rozz to recover a prisoner who has information on how to defeat Reign once and for all. show less
Kara deals with the loss on Mon-El by focusing her energy on being Supergirl and concentrating on a mysterious new threat; Alex ...read more Kara deals with the loss on Mon-El by focusing her energy on being Supergirl and concentrating on a mysterious new threat; Alex confesses a secret to Maggie; a citizen of National City has a mysterious connection to Kara; Lena makes a bold move. 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
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