Season 2 Episodes

Episode Guide

Nevertheless, She Persisted

Season 2, Episode 22 - Air Date: 5/22/2017
From the CW: Supergirl (Melissa Benoist) challenges Rhea (guest star Teri Hatcher) to battle to save National City.
Episode Guide


Season 2, Episode 21 - Air Date: 5/15/2017
From the CW: Supergirl (Melissa Benoist) grapples with whether or not to obey the President's (guest star Lynda Carter) orders regarding Rhea's (guest star Teri Hatcher) latest actions.
Episode Guide

City of Lost Children

Season 2, Episode 20 - Air Date: 5/8/2017
From the CW: When an alien attacks National City, Supergirl (Melissa Benoist) and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers.
Episode Guide


Season 2, Episode 19 - Air Date: 5/1/2017
From the CW: Alex (Chyler Leigh) is kidnapped and the kidnapper threatens to kill her unless Supergirl (Melissa Benoist) releases a notorious criminal from prison.
Episode Guide

Ace Reporter

Season 2, Episode 18 - Air Date: 4/24/2017
From the CW: Lena's (guest star Katie McGarth) ex-boyfriend, Jack Spheer (guest star Rahul Kohli), comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases.
Episode Guide

Distant Sun

Season 2, Episode 17 - Air Date: 3/27/2017
From the CW: A large bounty is put out on Supergirl (Melissa Benoist) and aliens from far and near attack National City intent on taking out the woman of steel.
Episode Guide


Season 2, Episode 16 - Air Date: 3/20/2017
From the CW: A new villain (guest star Teri Hatcher) comes to National City, putting Supergirl (Melissa Benoist) on high alert.
Episode Guide


Season 2, Episode 15 - Air Date: 3/6/2017
From the CW: As Alex (Chyler Leigh) searches for Jeremiah (guest star Dean Cain) and Kara (Melissa Benoist) investigates a series of alien kidnappings, the sisters realize they must break the rules to foil a new Cadmus plot.
Episode Guide


Season 2, Episode 14 - Air Date: 2/27/2017
From the CW: When Jeremiah Danvers (guest star Dean Cain) is rescued from Cadmus, Alex (Chyler Leigh) and Kara (Melissa Benoist) are thrilled to have their father back.
Episode Guide

Mr. & Mrs. Mxyzptlk

Season 2, Episode 13 - Air Date: 2/20/2017
From the CW: When Mr. Mxyzptlk (guest star Peter Gadiot), a magical imp, shows up on Earth and declares his love for Kara (Melissa Benoist), she tries to let him down easy, thinking him harmless.
Episode Guide


Season 2, Episode 12 - Air Date: 2/13/2017
From the CW: After Metallo (guest star Frederick Schmidt) breaks out of prison and frees Lillian Luthor (guest star Brenda Strong), the police blame Lena (guest star Katie McGrath) for his escape and arrest her.
Episode Guide

The Martian Chronicles

Season 2, Episode 11 - Air Date: 2/6/2017
From the CW: "Armek (guest star Terrell Tilford), a White Martian, descends on National City intent on taking M'gann (guest star Sharon Leal) back to Mars to face her punishment as a traitor.
Episode Guide

We Can Be Heroes

Season 2, Episode 10 - Air Date: 1/30/2017
From The Cw: After Livewire (guest star Brit Morgan) seemingly breaks out of prison, Supergirl (Melissa Benoist) is intent on recapturing her.
Episode Guide

Supergirl Lives

Season 2, Episode 9 - Air Date: 1/23/2017
From The CW: Kara (Melissa Benoist) is moved by the story of a missing woman named Izzy (guest star Harley Quinn Smith) and decides to investigate despite Snapper Carr's (guest star Ian Gomez) order to leave it alone.
Episode Guide


Season 2, Episode 8 - Air Date: 11/28/2016
From the CW: "Eliza (guest star Helen Slater) comes to town to celebrate Thanksgiving with her daughters.
Episode Guide

The Darkest Place

Season 2, Episode 7 - Air Date: 11/21/2016
From the CW: "While Guardian (Mehcad Brooks) tries to clear his name after being accused of a murder committed by another vigilante, Supergirl (Melissa Benoist) heads out on a solo mission to rescue Mon-El (Chris Wood) who has been captured by CADMUS.
Episode Guide


Season 2, Episode 6 - Air Date: 11/14/2016
From the CW: "The Guardian debuts to lend a hand after a parasite alien drains Supergirl (Melissa Benoist) of her power.
Episode Guide


Season 2, Episode 5 - Air Date: 11/7/2016
From the CW: "Supergirl (Melissa Benoist) must beat a ruthless new gang who has been armed with dangerous new alien technology.
Episode Guide


Season 2, Episode 4 - Air Date: 10/31/2016
From the CW: "When Kara (Melissa Benoist) and Alex (Chyler Leigh) investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette (guest star Dichen Lachman), the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans.
Episode Guide

Welcome to Earth

Season 2, Episode 3 - Air Date: 10/24/2016
From the CW: "An attack is made on the President (guest star Lynda Carter) as hot-button, alien vs. human rights issues heat up in National City.
Episode Guide

The Last Children of Krypton

Season 2, Episode 2 - Air Date: 10/17/2016
From the CW: "CADMUS attacks National City with a kryptonite powered villain who ends up seriously hurting Supergirl (Melissa Benoist).
Episode Guide

The Adventures of Supergirl

Season 2, Episode 1 - Air Date: 10/10/2016
From the CW: "When a new threat emerges in National City, Kara/Supergirl (Melissa Benoist) teams up with her cousin, Clark Kent/Superman (guest star Tyler Hoechlin), to stop it.