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Supergirl Season 6 Episodes

20 Episodes 2021 -

Episode 1


Tue, Mar 30, 2021 60 mins

As Brainiac lays close to death after trying to stop Lex, Supergirl and team soar in to save him, engaging in an epic battle with Gamenmae.

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Episode 2

A Few Good Women

Tue, Apr 6, 2021 60 mins

As the stakes with Lex are raised higher than ever before, Lena must decide how far she is willing to go to stop her brother. Meanwhile, Supergirl and the team are faced with a challenge unlike anything they've ever dealt with before and it brings Alex to her breaking point.

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Episode 3

Phantom Menaces

Tue, Apr 13, 2021 60 mins

Supergirl makes a new ally. Lena and Lex battle for control of Luthor Corp.

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Episode 4

Lost Souls

Tue, Apr 20, 2021 60 mins

Supergirl finds an opportunity to escape from the Phantom Zone but it comes with some dangerous strings attached. Meanwhile, Lena joins the Super Friends on a mission but finds she disagrees with their plan of action against the Phantoms and wonders if she is truly ready to be a part of the team.

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Episode 5

Prom Night!

Tue, Apr 27, 2021 60 mins

Nia and Brainy attempt to save Supergirl from the Phantom Zone by time-traveling back to Kara's home in 2009; determined to secure the item needed to help Supergirl, Brainy is worried about keeping a low profile; and a young reporter sets her sights on Midvale as she suspects there is a big story in the small town.

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Episode 6

Prom Again!

Tue, May 4, 2021 60 mins

Part two of the flashback episodes pick up where things left off – 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.

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Episode 7

Fear Knot

Tue, May 11, 2021 60 mins

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.

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Episode 8

Welcome Back, Kara

Tue, Aug 24, 2021 60 mins

As Supergirl and Zor-El make their return to National City, they are determined to keep the Phantom Zone behind them and enjoy being superheroes together. Unfortunately, their overzealous efforts backfire, creating a whole new threat to National City.

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Episode 9

Dream Weaver

Tue, Aug 31, 2021 60 mins

Kelly meets Joey, a young orphaned alien boy, who is acting out in foster care because he fears there is something wrong with his brother Orlando, who is incarcerated. Kelly asks Kara to help her investigate and they stumble upon abuse at the prison. Meanwhile, Nyxly crashes one of Nia's dreams and asks her for help.

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Episode 10

Still I Rise

Tue, Sep 7, 2021 60 mins

Supergirl intervenes when a building in the Heights that was set aside for low income housing is suddenly at risk to be sold to a major corporation. Supergirl recruits Orlando to help her win over the city, but things go awry when Nyxly shows up. Meanwhile, Nia trains with her mother.

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Episode 11

Mxy in the Middle

Tue, Sep 14, 2021 60 mins

Supergirl and team must stop Nyxly from vanquishing a familiar face from Supergirl's past – Mr. Mxyzptlk. Mxy returns and explains Nyxly's dark history to the super team in the best way he knows how – in song form. Meanwhile, Lena visits her mother's birthplace in Newfoundland, eager to dig into her past but is shocked by the small town's icy reception towards her.

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Episode 12

Blind Spots

Tue, Sep 21, 2021 60 mins

Kelly is horrified when the Ormfell building implodes, injuring many in the community, including Joey. However, her horror quickly turns to frustration when she realizes that the hospital is overwhelmed, people are getting sicker, and no one is coming to help – including Supergirl who is busy fighting Nyxly. Knowing that she can make a difference, Kelly embraces her power and fully steps into her role as Guardian.

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Episode 13

The Gauntlet

Tue, Sep 28, 2021 60 mins

Supergirl and team race Nyxly for control of a magical totem that controls courage. Supergirl and Nyxly battle and each get a piece of the totem but learn the first person to pass the test of courage will gain control of the entire thing. Meanwhile, Lena is still struggling to make sense of her newfound gift.

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Episode 14

Magical Thinking

Tue, Oct 5, 2021 60 mins

Lena is uncertain about using her magical abilities to help Supergirl retrieve the second totem from Nyxly. William struggles to write a story on the Super Friends that makes both the heroes and Andrea happy. Meanwhile, Kelly is thrilled Esme has found a new home, but things go awry and the little girl's future is put in danger.

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Episode 15

Hope for Tomorrow

Tue, Oct 12, 2021 60 mins

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.

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Episode 16

Nightmare in National City

Tue, Oct 19, 2021 60 mins

Kara lands her dream story for Catco but when the city is suddenly attacked by a nightmare monster at the same time as her interview, she is forced to take a serious look at her life and decide if she can continue to live as both Kara and Supergirl. As Dreamer takes the lead on the search for the Dream Totem, which can vanquish they nightmare monster in National City, she realizes she needs to ask her sister Mauve for help.

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Episode 17

I Believe In A Thing Called Love

Tue, Oct 26, 2021 60 mins

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.

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Episode 18

Truth or Consequences

Tue, Nov 2, 2021 60 mins

Supergirl is determined to keep everyone safe from Lex and Nyxly so she doubles down on patrol, especially as Alex and Kelly's bachelorette party is coming up. Alex is torn between duty and finally allowing herself the time to enjoy her new family.

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Episode 19

The Last Gauntlet

Tue, Nov 9, 2021 60 mins

In the penultimate buildup to the season finale, 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.

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Episode 20


Tue, Nov 9, 2021 60 mins

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.

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