Next Episode (airs 26 Oct. 2021)
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 ...
Current Episode (aired 19 Oct. 2021)
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.
10 Oct. 2016The Adventures of Supergirl
Supergirl and Superman team up to stop a new threat emerging in National City. A Kryptonian pod comes crashing down to Earth.
17 Oct. 2016The Last Children of Krypton
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.
24 Oct. 2016Welcome to Earth
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.
31 Oct. 2016Survivors
Supergirl tries to stop an alien fight club run by Roulette, while Hank gets to know M'Gann.
7 Nov. 2016Crossfire
Supergirl faces a ruthless new gang that's been given new alien technology by Cadmus.
14 Nov. 2016Changing
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.
21 Nov. 2016The Darkest Place
Supergirl comes face-to-face with Cyborg Superman when she attempts to save Mon-El from Cadmus.
28 Nov. 2016Medusa
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.
23 Jan. 2017Supergirl Lives
While searching for a missing woman, Supergirl and Mon-El end up on another planet where Roulette leads a slave trafficking ring.
30 Jan. 2017We Can Be Heroes
When Livewire apparently breaks out of prison, Supergirl sets out to recapture her.
6 Feb. 2017The Martian Chronicles
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.
13 Feb. 2017Luthors
Lena is arrested when Metallo breaks Lillian out of prison and evidence suggests that Lena is responsible.
20 Feb. 2017Mr. & Mrs. Mxyzptlk
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.
27 Feb. 2017Homecoming
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.
6 Mar. 2017Exodus
Alex and Kara realize they must break the rules to foil Cadmus' latest plot.
20 Mar. 2017Star-Crossed
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.
27 Mar. 2017Distant Sun
Aliens attack National City with the intention of collecting a large bounty put out on Supergirl.
24 Apr. 2017Ace Reporter
Lena's ex-boyfriend Jack Spheer comes to National City to reveal his breakthrough in nanotechnology that has the potential to eliminate all diseases.
1 May 2017Alex
When Alex is kidnapped, Supergirl and Maggie must work together to save her.
8 May 2017City of Lost Children
National City is attacked by a Phorian, a normally peaceful race with telekinetic abilities.
15 May 2017Resist
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.