Supergirl Season 2 Episode 13 Trailer and Details on Metallo Return

SupergirlSeason 2 is back, and we're continuing to update this story with all of the latest promos, photos, and casting news. 

Here's what we thought of the most recent episode, "Luthors."

And here's the promo for next week's episode, "Mr. & Mrs. Mxyzptlk" which sees the return of Metallo, among other baddies...

And here's the synopsis for the episode:

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. However, he decides it’s a challenge and starts to wreak havoc on National City. Mon-El (Chris Wood) has seen beings like Mr. Mxyzptlk on Daxam and knows how dangerous they can be. He and Kara argue over how to get rid of Mr. Mxyzptlk, further straining their relationship.

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Supergirl Season 2 Episodes

Supergirl Season 2 Episode 1: The Adventures of Supergirl

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.  Kara is thrilled to have family in town but it leaves Alex (Chyler Leigh) feeling a bit left out.  Meanwhile, Hank (David Harewood) and Supergirl are stunned by the pod that came crashing to Earth.  

air date: 10/10/16

Supergirl Season 2 Episode 2: The Last Children of Krypton

CADMUS attacks National City with a kryptonite powered villain who ends up seriously hurting Supergirl (Melissa Benoist).  Superman (guest star Tyler Hoechlin) blames Hank (David Harewood) because the kryptonite was stolen from the DEO.  Meanwhile, Kara’s first day at her new job doesn’t go as planned after she meets her new boss, Snapper Carr (guest star Ian Gomez).

We also have a complete guide to Superman easter eggs in the episode right here!

air date: 10/17/16

Supergirl Season 2 Episode 3: Welcome to Earth

An attack is made on the President (guest star Lynda Carter) as hot-button, alien vs. human rights issues heat up in National City. Supergirl (Melissa Benoist) and the DEO are assigned to protect the President and bring in the responsible party.  Alex (Chyler Leigh) teams up with Detective Maggie Sawyer (Floriana Lima) to investigate the case while Kara searches for a recently escaped Mon-El (Chris Wood), who she fears may be the alien behind the assault.

air date: 10/24/16

Supergirl Season 2 Episode 4: Survivors

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. While trying to stop the fighting, Supergirl and Martian Manhunter find themselves up against a surprising opponent. Meanwhile, Hank (David Harewood) is thrilled to have found another Martian and tries to get to know M’Gann (guest star Sharon Leal) better. Supergirl takes Mon-El (Chris Wood) under her wing and begins to train him.

air date: 10/31/16

Supergirl Season 2 Episode 5: Crossfire

Supergirl (Melissa Benoist) 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 (Melissa Benoist) gets Mon-El (Chris Wood) a job as an intern at CatCo, James makes an important decision and Lena (Katie McGrath) invites Kara to attend one her fundraisers.  

air date: 11/7/16

Supergirl Season 2 Episode 6: Changing

The Guardian debuts to lend a hand after a parasite alien drains Supergirl (Melissa Benoist) of her power. Mon-El (Chris Wood) considers a less than desirable new career which then leads him to contemplate his motives. Alex (Chyler Leigh) struggles with a new reality. Andrew Kreisberg and Caitlin Parris wrote the script based on the story by Greg Beranti.

air date: November 14th

Supergirl Season 2 Episode 7: The Darkest Places

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. While fighting to free Mon-El, Supergirl comes face to face with Cyborg Superman.  

air date: November 21st

Supergirl Season 2 Episode 8: Medusa

Eliza (guest star Helen Slater) comes to town to celebrate Thanksgiving with her daughters.  Alex (Chyler Leigh) decides it’s time to come out to her mother; Kara (Melisa Benoist) is shocked when Eliza suggests Mon-El (Chris Wood) has feelings for her, and Winn (Jeremy Jordan) and James (Mehcad Brooks) 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 (Katie McGrath).  The epic superhero crossover kicks off tonight when Barry Allen (guest star Grant Gustin) and Cisco Ramon (guest star Carlos Valdes) seek Kara’s help with an alien invasion on their Earth.

air date: 11/28/16

Supergirl Season 2 Episode 9: Supergirl Lives

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. Kara takes Mon-El (Chris Wood) 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 (guest star Dichen Lachman). 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 (Chyler Leigh) blames herself for Kara’s disappearance, fearing she’s become too focused on her new relationship with Maggie (guest star Floriana Lima) and too complacent in watching out for her sister.

air date: 1/23/17

Supergirl Season 2 Episode 10: We Can Be Heroes

After Livewire (guest star Brit Morgan) seemingly breaks out of prison, Supergirl (Melissa Benoist) is intent on recapturing her. After training Mon-El (Chris Wood), 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 (Mehcad Brooks) decides to come clean with Kara and M’Gann (guest star Sharon Leal), has a psychic attack and collapses into a coma.

air date: 1/30/17

Supergirl Season 2 Episode 11: The Martian Chronicles

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. Hank (David Harewood) and Supergirl (Melissa Benoist) 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. 

air date: 2/6/17

Supergirl Season 2 Episode 12: Luthors

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. Despite overwhelming evidence, Kara (Melissa Benoist) refuses to believe her friend is guilty and fights to clear Lena’s name. Flashbacks reveal how Lena came to be a Luthor.  Meanwhile, Alex (Chyler Leigh) and Maggie (Floriana Lima) celebrate their first Valentine’s Day together.

air date: 2/13/17

Supergirl Season 2 Episode 13: Mr. and Mrs. Mxyzptlk

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. However, he decides it’s a challenge and starts to wreak havoc on National City.  Mon-El (Chris Wood) has seen beings like Mr. Mxyzptlk on Daxam and knows how dangerous they can be.  He and Kara argue over how to get rid of Mr. Mxyzptlk, further straining their relationship.  Meanwhile, Alex (Chyler Leigh) and Maggie (Floriana Lima) celebrate their first Valentine’s Day together.

air date: 2/20/17

Supergirl Season 2 Episode 14: TBA

Note: episodes 13 and 14 will feature Peter Gadiot as Mr. Mxyzptlk. More details here.