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Supergirl Season 2 Episodes
Season 2 Episode Guide
22 Episodes 2016 - 2017
Episode 1
The Adventures of Supergirl
42 mins
When a new threat emerges in National City, Kara/Supergirl teams up with her cousin, Clark Kent/Superman, to stop it. Kara is thrilled to have family in town but it leaves Alex feeling a bit left out. Meanwhile, Hank and Supergirl are stunned by the pod that came crashing to Earth.
Episode 2
The Last Children of Krypton
Mon, Oct 17, 201642 mins
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.
Episode 3
Welcome to Earth
Mon, Oct 24, 201642 mins
When the President arrives to sign an order giving amnesty to aliens. At the DEO, the man who arrived in the craft, awakens and has powers like Supergirl and leaves. Kara begins her first day as a reporter just as Jimmy begins his as Cat's replacement. Snapper Carr doesn't show Jimmy respect and gives Kara a lame assignment. Supergirl goes to meet the President when there's an attack by someone with heat vision like Supergirl but since she's in front of the President, it's not her. They assume it's the man who came. They track him down and learn he's from the planet next to Krypton. He denies attacking the President but they lock him up anyway. Alex tries to find the one who attacked the President and finds a detective, Maggie Sawyer also investigating who shows her something she didn't know.
Episode 4
Survivors
Mon, Oct 31, 201642 mins
When Kara and Alex investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette, the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans. While trying to stop the fighting, Supergirl and Martian Manhunter find themselves up against a surprising opponent. Meanwhile, Hank is thrilled to have found another Martian and tries to get to know M'Gann better. Supergirl takes Mon-El under her wing and begins to train him.
Episode 5
Crossfire
Mon, Nov 7, 201642 mins
Supergirl must beat a ruthless new gang who has been armed with dangerous new alien technology. When Cadmus sends a video to the DEO, the team realizes Cadmus is the one staffing the criminals for a secret mission. Meanwhile, Kara gets Mon-El a job as an intern at CatCo, James makes an important decision and Lena invites Kara to attend one her fundraisers.
Episode 6
Changing
Mon, Nov 14, 201642 mins
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.
Episode 7
The Darkest Place
Mon, Nov 21, 201642 mins
While Guardian tries to clear his name after being accused of a murder committed by another vigilante, Supergirl heads out on a solo mission to rescue Mon-El who has been captured by CADMUS. While fighting to free Mon-El, Supergirl comes face to face with Cyborg Superman.
Episode 8
Medusa
Mon, Nov 28, 201642 mins
Eliza comes to town to celebrate Thanksgiving with her daughters. Alex decides it's time to come out to her mother; Kara is shocked when Eliza suggests Mon-El has feelings for her, and Winn and James consider telling Kara the truth about the Guardian. Meanwhile, CADMUS unleashes a virus that instantly kills any alien in the vicinity so Kara enlists an unexpected ally - Lena Luthor. The epic superhero crossover kicks off tonight when Barry Allen and Cisco Ramon seek Kara's help with an alien invasion on their Earth.
Episode 9
Supergirl Lives
Mon, Jan 23, 201742 mins
Kara is moved by the story of a missing woman named Izzy and decides to investigate despite Snapper Carr's order to leave it alone. Kara takes Mon-El with her to the last place Izzy was seen and the duo find themselves thrust through a portal to another planet, Slaver's Moon, where the downtrodden are sold as slaves. The leader of the trafficking ring is none other than Roulette. To make matters worse, Slaver's Moon has a red sun, which means Kara and Mon-El are stripped of their powers and stuck on the planet with no way home. Meanwhile, back on Earth, Alex blames herself for Kara's disappearance, fearing she's become too focused on her new relationship with Maggie and too complacent in watching out for her sister.
Episode 10
We Can Be Heroes
Mon, Jan 30, 201742 mins
After Livewire seemingly breaks out of prison, Supergirl is intent on recapturing her. After training Mon-El, Supergirl takes him with her when she sees Livewire attack the NCPD but things go awry when Mon-El puts Supergirl before the citizens of National City. Meanwhile, James decides to come clean with Kara and M'Gann, has a psychic attack and collapses into a coma.
Episode 11
The Martian Chronicles
Mon, Feb 6, 201741 mins
Armek, a White Martian, descends on National City intent on taking M'gann back to Mars to face her punishment as a traitor. Hank and Supergirl determine the best way to keep M'gann safe is to bring her to the DEO. However, when it is revealed that Armek shape-shifted into M'gann and is now loose in the building, the team realize he could be disguised as any one of them.
Episode 12
Luthors
Mon, Feb 13, 201742 mins
After Metallo breaks out of prison and frees Lillian Luthor, the police blame Lena for his escape and arrest her. Despite overwhelming evidence, Kara refuses to believe her friend is guilty and fights to clear Lena's name. Flashbacks reveal how Lena came to be a Luthor. Alex introduces Maggie to the gang.
Episode 13
Mr. & Mrs. Mxyzptlk
Mon, Feb 20, 201742 mins
Valentine's day special episode. Alex is super excited for her first Valentine's Day with a girlfriend, but Maggie is not keen on the Hallmark holiday, which leads to their first real fight. But Maggie will make it up to Alex by recreating a special night.
Episode 14
Homecoming
Mon, Feb 27, 201742 mins
When Jeremiah Danvers is rescued from Cadmus, Alex and Kara are thrilled to have their father back. The Danvers arrange a family dinner to celebrate but things go awry when a suspicious Mon-El starts to question Jeremiah about his sudden return.
Episode 15
Exodus
Mon, Mar 6, 201742 mins
As Alex searches for Jeremiah and Kara investigates a series of alien kidnappings, the sisters realize they must break the rules to foil a new Cadmus plot. In an effort to get Snapper Carr to run a story that would help her stop Cadmus, Kara agrees to set up an interview between Snapper and Supergirl.
Episode 16
Star-Crossed
Mon, Mar 20, 201742 mins
A new villain (guest star Teri Hatcher) comes to National City, putting Supergirl on high alert. Meanwhile, Winn's girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister attacks Supergirl.
Episode 17
Distant Sun
Mon, Mar 27, 201741 mins
A large bounty is put out on Supergirl and aliens from far and near attack National City intent on taking out the woman of steel. Alex and Maggie run into Maggie's ex-girlfriend, Emily, who is in town for a week. Hank gets an interesting order from President Marsdin.
Episode 18
Ace Reporter
Mon, Apr 24, 201741 mins
Lena's ex-boyfriend, Jack Spheer, comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases. Lena asks Kara to attend Jack's conference with her for support. When Kara sees Snapper in attendance she's inspired to tap back into her reporter skills and questions Jack on his discovery, which ultimately leads to a bigger investigation that puts everyone in danger.
Episode 19
Alex
Mon, May 1, 201742 mins
Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison. Supergirl and Maggie have always had different approaches to apprehending criminals but this time they must work together to save Alex. Meanwhile, Rhea has an interesting proposal for Lena.
Episode 20
City of Lost Children
Mon, May 8, 201742 mins
When an alien attacks National City, Supergirl and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers. Guardian gets a lead on the Phorian's address but instead of finding the culprit, he finds a very scared boy named Marcus. Marcus will only trust James so it is up to Guardian to stop the attacks on the city. Rhea's plan escalates.
Episode 21
Resist
Mon, May 15, 201742 mins
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.
Episode 22
Nevertheless, She Persisted
Mon, May 22, 201742 mins
Supergirl challenges Rhea to battle to save National City. Meanwhile, Superman returns and Cat Grant offers Supergirl some sage advice.
