Supergirl: The Complete Series

Twenty-four-year-old Kara Zor-El, cousin of Superman, who was taken in by the Danvers family when she was 12 after being sent away from Krypton, must learn to embrace her powers after previously hiding them.

Kara must put doubts aside as she tries to apprehend an escapee from the Kryptonian prison; Cat pressures James for an interview with Supergirl.

Supergirl's powers are put to the test when one of Superman's most formidable enemies, Reactron, shows up in National City to take her down. In the meantime, Cat makes plans to run an expose on Supergirl.

Kara's foster mother visits for Thanksgiving, while an accident transforms a volatile CatCo employee into Livewire.

Kara must protect National City from a series of bombings and babysit Cat's son, while James is visited by Lucy Lane.

Stress makes Kara go too far during a training exercise against a military cyborg commissioned by General Sam Lane, while Cat's mother comes to visit and Winn helps Alex investigate her father's death.

Supergirl, with her recently drained powers taking too long to return, must deal with life without them, while DEO has a powerful escaped alien prisoner in their headquarters.

Supergirl fights against her aunt and learns some heartbreaking news about her mom, while Catco is dealing with a hacker.

A standoff ensues between the DEO and Astra's forces also Non kidnaps Hank, while Kara tries to refute Cat's allegations that she's Supergirl.

Kara does her best to support Winn when he hears that his father Winslow Schott Sr. breaks out of prison. His father looks for Winn for a reason to become like him. Cat offers Lucy a job working at CatCo and Alex asks Hank to use his powers to find out and uncover Maxwell Lord's plans.

Kara helps Hank face his painful past when a White Martian, who wiped out all of the Green Martians from Mars, kidnaps Senator Miranda Crane who is an anti-alien politician. Adam Foster who is Cat's estranged son arrives in National City.

Kara must deal with a twisted version of Supergirl, while venturing into a possible romance.

A parasitic alien attaches itself to Kara and traps her in a world where Krypton was never destroyed, leaving Alex, Hank and the DEO to fend off a Kryptonian attack without her.

Kara battles the Master Jailer while dealing with a second assistant at CatCo and disagreeing with James over the DEO's methods.

Kara travels to the Fortress of Solitude hoping to find information on how to defeat Indigo, a being from her past who can travel through the Internet. In the meantime, James and Lucy reach a crossroads in their relationship.

Red Kryptonite makes Kara malicious and dangerous while Cat appears on The Talk (2010) to discuss Supergirl.

J'onn J'onzz reveals how he met Jeremiah Danvers and assumed the identity of Hank Henshaw.

Kara gains a new ally when the Flash arrives from a parallel universe and helps her fight the Silver Banshee and Livewire in exchange for helping him return home.

Non and Indigo use mind control to make the citizens of National City their army, so Kara must find a way to save her friends.

Supergirl is forced to do battle with an unexpected enemy as she risks everything - including her life - to stop Non and Indigo from destroying everyone on Earth.

Supergirl and Superman team up to stop a new threat emerging in National City. A Kryptonian pod comes crashing down to Earth.

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.

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.

Supergirl tries to stop an alien fight club run by Roulette, while Hank gets to know M'Gann.

Supergirl faces a ruthless new gang that's been given new alien technology by Cadmus.

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.

Supergirl comes face-to-face with Cyborg Superman when she attempts to save Mon-El from Cadmus.

As Eliza comes to National City for Thanksgiving, Kara turns to Lena for help when Cadmus unleashes a virus that instantly kills aliens, then is asked by Barry Allen and Cisco Ramon for help with an alien invasion on their Earth.

While searching for a missing woman, Supergirl and Mon-El end up on another planet where Roulette leads a slave trafficking ring.

When Livewire apparently breaks out of prison, Supergirl sets out to recapture her.

A White Martian called Armek comes to National City with the intention of bringing M'gann back to Mars to be punished for her treason.

Lena is arrested when Metallo breaks Lillian out of prison and evidence suggests that Lena is responsible.

A magical imp called Mr. Mxyzptlk arrives on Earth to woo Kara, and wreaks havoc on National City when she doesn't reciprocate his feelings.

When Jeremiah Danvers is rescued from Cadmus, Alex and Kara are thrilled to have him back, but Mon-El is suspicious about his sudden return.

Alex and Kara realize they must break the rules to foil Cadmus' latest plot.

Supergirl goes on high alert when a new villain comes to National City. Meanwhile, Winn's new girlfriend Lyra gets him in trouble with the law and the Music Meister attacks.

Aliens attack National City with the intention of collecting a large bounty put out on Supergirl.

Lena's ex-boyfriend Jack Spheer comes to National City to reveal his breakthrough in nanotechnology that has the potential to eliminate all diseases.

When Alex is kidnapped, Supergirl and Maggie must work together to save her.

National City is attacked by a Phorian, a normally peaceful race with telekinetic abilities.

Supergirl struggles to decide whether or not to obey the President's orders regarding Rhea's latest actions. Meanwhile, Cat Grant returns to National City.

Supergirl challenges Rhea to battle to save National City. Meanwhile, Superman returns and Cat Grant offers Supergirl some sage advice.

Kara deals with the loss of 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.

A thief with psychic powers attacks National City and proves to be a formidable opponent for Supergirl.

Maggie reaches out to her estranged father when Eliza throws her and Alex a wedding shower, while Supergirl joins J'onn on a personal mission.

Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection to Supergirl. Meanwhile, Samantha feels like she's letting Ruby down.

Morgan Edge blames Lena for children getting sick from lead poisoning.

Kara and Alex head home to Midvale for a little R&R. While there, Kara recalls a painful memory of a childhood friend's death and how that traumatic experience brought the Danvers sisters closer together.

Kara investigates when an alien ship lands deep underwater beneath National City; Hank attempts to bond with his father; Samantha looks to her estranged mother for answers.

The gang comes together for Barry and Iris's wedding, but the ceremony is crashed by villains from Earth-X.

Supergirl traces the origins of a mysterious symbol to an ancient prophecy and the mark of the World Killer, Reign.

Supergirl remains in a dreamlike state after sustaining injuries from Reign, so Mon-El recruits Brainiac-5, a member of the Legion of Superheroes, to bring her back.

Supergirl and Saturn Girl recruit Livewire and Psi for a mission to recover a prisoner from Fort Rozz who knows how to defeat Reign.

Morgan Edge accuses Lena of plotting an attempt on his life and Kara steps in to help her.

The DEO captures another Worldkiller, who escapes and attacks the city's subway tunnels.

Following the death of his father, Winn must work with his estranged mother to stop a copycat Toyman.

Supergirl must work with J'onn to contain the chaos resulting from Myr'nn's psychic disturbances at the DEO; Mon-El teaches Kara fighting techniques he learned in the future for battling Worldkillers.

Supergirl and Imra have different ideas on how to stop the third Worldkiller, Pestilence. However, when both Alex and Winn are seriously injured by Pestilence, Supergirl and Imra team up to stop the destruction.

Still reeling after learning about Lena's secret, Supergirl asks Guardian for a favor that could alter his relationship with Lena forever. Meanwhile, with all three Worldkillers united, Supergirl and the team brace for an epic battle.

When Reign starts hunting Ruby, Supergirl and Alex work together to keep her safe. Supergirl and J'onn look to Sam's mother for advice on how to stop Reign and come away with shocking news.

A disciple of Coville's escapes from what's left of his cult and gives Kara and James a journal that could help save Sam; Guardian is found out.

Supergirl is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena considers how far will she go to keep Reign contained.

Kara makes a major life decision. Meanwhile, J'onn finds out that special DEO-caliber guns have hit the streets of National City.

Supergirl learns the true depth of Selena's nefarious plans for Earth. Supergirl, Mon-El and Alura must devise a plan to stop her before Selena gets to Earth. J'onn prepares to say goodbye to his father.

Supergirl and her team take on Selena in an epic battle for Earth.

Supergirl is called into action when remnants of Cadmus attempt to assassinate pro-alien leaders, but their endgame turns out to be more sinister than she thinks.

When a shocking revelation brings chaos to National City, Supergirl sets out to capture Mercy Graves.

The story of how Ben Lockwood became Agent Liberty is told.

Alex asks Lena and Brainiac to team up and help Supergirl; J'onn discovers new ways to help his fellow aliens after running into Manchester Black.

Colonel Haley makes a surprising decision about Supergirl; Kara writes a series of articles about aliens in National City that end up putting them in harm's way.

As everyone gathers for Thanksgiving, Kara is feeling down after her televised debate with Ben Lockwood; James and Lena argue about the best way to handle the Children of Liberty.

James falls in deeper with the Children of Liberty in his efforts to meet Agent Liberty. Meanwhile, Supergirl and Manchester Black follow a lead on Agent Liberty's location, but things take a dark turn. Lena kicks off her first set of trials.

Nia has a powerful dream about Agent Liberty but refuses to look at it as a prophetic dream and pushes it aside. After noticing something is bothering Nia, Kara enlists Brainy's help, and the two try to persuade Nia to embrace her destiny. Meanwhile, Manchester Black pays Ben Lockwood a menacing visit.

Supergirl, The Flash, Green Arrow and Superman face the battle of their lives.

Colonel Haley is upset after Supergirl responds to a distress call from a Navy ship that turned out to be a deadly alien attack. Colonel Haley reclaims the site as DEO territory and demands that Supergirl step aside. After Supergirl refuses to be told what to do, Haley refocuses her energy on finding out Supergirl's true identity and begins to interrogate all DEO agents, including Alex. Meanwhile, Brainiac-5 tries to persuade Nia to embrace her superpowers but she misinterprets his motives.

Kara joins Nia on a trip to Nia's hometown to visit her family during the town's annual Harvest Festival. While home, Nia's mother encourages her daughter to embrace her destiny. Meanwhile, Alex deals with a street drug that is turning people violent and giving them temporary superpowers.

With his P.I. shingle newly hung outside his office, J'onn welcomes new clients. Trying to take her mind off what happened at the DEO, Kara decides to team up with J'onn on his latest assignment, which unfortunately ends up tying directly into Alex's current investigation that involves the villain Menagerie. Meanwhile, Lena shares some news with James, but his reaction isn't what she expected. Nia invites Brainy to her Valentine's Day party.

Manchester Black breaks out of prison with the help of his new team, the Elite. Supergirl tries to apprehend Black and his team while dealing with a shocking new development involving Ben Lockwood.

When Lockwood organizes a rally, the aliens decide to peacefully protest; Brainiac and J'onn join the alien march, while Supergirl and Dreamer patrol to keep everyone safe; Hayley assigns Alex a job that clashes with her beliefs.

Secretly furloughed from prison due to failing health, Lex Luthor visits his sister Lena to seek her help finding a cure. Savvy as ever, Lena is suspicious of Lex's motives, but when she's faced with a life and death situation, she must decide how she truly feels about her brother. Meanwhile, Supergirl and J'onn face off against Manchester Black. James' sister Kelly comes to town.

In the wake of Lex Luthor's return, the show flashes back to what he's been doing for the last two years and how his secret machinations and plans have affected Supergirl and Lena.

Supergirl must deal with the destructive aftermath of Lex's nefarious plans. Shocked at what Lex has created, Supergirl faces her biggest challenge yet.

Kara and Lena head to Stryker's Island to find clues that may help defeat Lex; Kelly encourages James to confide in someone about his PTSD; Alex faces off against Ben Lockwood when he takes powerful weapons from the DEO to hunt Supergirl.

Dreamer becomes National City's protector while Kara works to clear Supergirl's name and gets into a showdown with Ben Lockwood; James takes extreme measures to get over his PTSD.

Kara and Lena head to Kaznia to hunt down Lex. However, Eve Tessmacher sets a trap for the duo that could ultimately reveal that Kara is Supergirl. Meanwhile, Alex gets a long-awaited phone call, James practices using his powers, and Ben Lockwood takes a dangerous stand inside the DEO.

Kara comes face to face with Red Daughter and the two engage in an epic battle.

Lex Luthor descends upon Washington, D.C. and summons Lena and Lillian to the White House; When Supergirl realizes she has the one last chance to stop Lex, she turns to the power of the press to help.

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.

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.

Kara tries to mend her relationship with Lena; J'onn J'onzz takes a deep dive into his memories; Kelly tries to help an old friend.

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.

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.

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.

Supergirl finally learns the truth about Lena while tangling with Leviathan; J'onn J'onnz makes a discovery about his brother's whereabouts.

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.

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.

The subsequent complications from the Crisis leave Supergirl to face a chaotic threat.

Winn Schott returns from the future just as Supergirl is pursuing a Toyman copycat.

Supergirl helps Winn overcome his greatest fear; Brainy must choose whether to help Alex find evidence against Lex or continue secretly working for him.

Mxyzptlk returns with a proposition for Kara; Kara must decide if she wants to change history to become friends with Lena again.

Lex tasks Supergirl with protecting Andrea from an anti-tech extremist; Lena moves forward with Non Nocere, with Lex's help.

Nia's roommate is attacked by a man targeting Dreamer; Dreamer refuses to give into men's threats and puts herself in the line of fire to stop him; Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality game.

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.

Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl against Leviathan; how Lex came into power after Crisis is revealed.

Supergirl and the team go head-to-head against Rama Khan and Leviathan; Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger.

Supergirl realizes that she must work with Lena to stop Lex and Leviathan; Nia struggles with what her dreams are trying to tell her; Brainy realizes there is only one way to stop Lex.

Lex attempts to take control of half the population of Earth, as the first step in his plan to "fix" the universe.

While Lex faces trial for his crimes, J'onn and Alex try to access the Phantom Zone to rescue Supergirl.

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; Lena joins the Super Friends on a mission but finds she disagrees with their plan of action.

Brainiac-5 and Nia time-travel to 2009 Midvale to get a sample of Kara's DNA.

Young Kara experiences kryptonite for the first time, Nia and Brainy are trapped by invading aliens, and a young Cat Grant may be the reason Supergirl never gets out of the Phantom Zone.

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.

Kara copes with returning to Earth, with Zor-El posing as her uncle.

Supergirl hunts down alien prisoners on a work-release program, while Kelly investigates one of their younger brothers.

Supergirl struggles to save affordable housing, so Orlando and Joey have a place to live. Meanwhile, Nxyly plots to regain her powers.

Nxyly attempts to reunite the Allstone using Mxyzptlk as a power source. Meanwhile, Lena finds out the truth about her mother.

The people of the Heights are affected by the building collapse, and a new hero emerges to protect them.

Supergirl and Nxyly battle for the Totem of Courage, and each get part of it. The part that Supergirl acquires causes chaos.

Nxyly gets hold of the Humanity Totem, causing chaos throughout National City. Meanwhile, Esme meets her new foster family and Lena attempts to cast her first spell.

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.

Nxyly goes after the Dream Totem, and Nia must join forces with her sister Maeve to stop the imp. Meanwhile, Supergirl worries that she's being pulled in too many different directions.

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.

Esme has a fight at school, and Alex and Kara have a fight over how to settle it. Meanwhile, Nxyly searches for the Truth Totem.

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.

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.