The WORST episodes of Supergirl

Every episode of Supergirl ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Supergirl!

As Superman’s cousin, Kara Danvers, also known as Supergirl, balances her work as a reporter for CatCo Worldwide Media with her work for the Department of Extra-Normal Operations, a super-secret government organization whose mission is to keep National City – and the Earth – safe from sinister threats.

Last Updated: 11/12/2024Network: The CWStatus: Ended
Blind Spots
star
6.43
612 votes

#1 - Blind Spots

Season 6 - Episode 12 - Aired 9/21/2021

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. Joined by Supergirl, Alex, Diggle and team, Guardian leads the way to restoring justice to the fallen community.

Directors: David Ramsey
Watch Now:Apple TV
I Believe in a Thing Called Love
star
6.93
523 votes

#2 - I Believe in a Thing Called Love

Season 6 - Episode 17 - Aired 10/26/2021

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 getting in the way.

Directors: Jesse Warn
Watch Now:Apple TV
Still I Rise
star
6.94
586 votes

#3 - Still I Rise

Season 6 - Episode 10 - Aired 9/7/2021

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.

Directors: Jesse Warn
Watch Now:Apple TV
The Last Gauntlet
star
6.98
538 votes

#4 - The Last Gauntlet

Season 6 - Episode 19 - Aired 11/9/2021

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.

Directors: Glen Winter
Watch Now:Apple TV
Hope for Tomorrow
star
6.99
529 votes

#5 - Hope for Tomorrow

Season 6 - Episode 15 - Aired 10/12/2021

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.

Directors: Tawnia McKiernan
Watch Now:Apple TV
Welcome Back, Kara
star
7.00
615 votes

#6 - Welcome Back, Kara

Season 6 - Episode 8 - Aired 8/24/2021

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.

Watch Now:Apple TV
Nightmare in National City
star
7.02
537 votes

#7 - Nightmare in National City

Season 6 - Episode 16 - Aired 10/19/2021

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 the nightmare monster in National City, she realizes she needs to ask her sister Mauve for help. Old wounds resurface as the two sisters come face to face.

Directors: Eric Dean Seaton
Watch Now:Apple TV
Dream Weaver
star
7.03
603 votes

#8 - Dream Weaver

Season 6 - Episode 9 - Aired 8/31/2021

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.

Directors: Shannon Kohli
Watch Now:Apple TV
The Gauntlet
star
7.05
539 votes

#9 - The Gauntlet

Season 6 - Episode 13 - Aired 9/28/2021

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.

Directors: Tawnia McKiernan
Watch Now:Apple TV
Mxy in the Middle
star
7.06
574 votes

#10 - Mxy in the Middle

Season 6 - Episode 11 - Aired 9/14/2021

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 Ireland, eager to dig into her past but is shocked by the small town's icy reception towards her.

Directors: Glen Winter
Watch Now:Apple TV
Fear Knot
star
7.09
664 votes

#11 - Fear Knot

Season 6 - Episode 7 - Aired 5/11/2021

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.

Directors: David Harewood
Watch Now:Apple TV
Reality Bytes
star
7.10
936 votes

#12 - Reality Bytes

Season 5 - Episode 15 - Aired 3/15/2020

Nia's roommate, Yvette, is attacked by a man targeting Dreamer because he doesn't like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.

Watch Now:Apple TV
Magical Thinking
star
7.15
535 votes

#13 - Magical Thinking

Season 6 - Episode 14 - Aired 10/5/2021

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.

Directors: Simon Burnett
Watch Now:Apple TV
Phantom Menaces
star
7.19
717 votes

#14 - Phantom Menaces

Season 6 - Episode 3 - Aired 4/13/2021

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

Directors: Sudz Sutherland
Watch Now:Apple TV
Truth or Consequences
star
7.20
521 votes

#15 - Truth or Consequences

Season 6 - Episode 18 - Aired 11/2/2021

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. Brainy receives heartbreaking news, and William clashes with Andrea over her recent coverage of Lex.

Directors: David McWhirter
Watch Now:Apple TV
A Few Good Women
star
7.22
733 votes

#16 - A Few Good Women

Season 6 - Episode 2 - Aired 4/6/2021

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.

Directors: Jesse Warn
Watch Now:Apple TV
Lost Souls
star
7.25
694 votes

#17 - Lost Souls

Season 6 - Episode 4 - Aired 4/20/2021

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.

Watch Now:Apple TV
Kara
star
7.27
574 votes

#18 - Kara

Season 6 - Episode 20 - Aired 11/9/2021

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.

Directors: Jesse Warn
Watch Now:Apple TV
The Bodyguard
star
7.27
918 votes

#19 - The Bodyguard

Season 5 - Episode 14 - Aired 3/8/2020

Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex's help.

Directors: Gregory Smith
Watch Now:Apple TV
Rebirth
star
7.28
789 votes

#20 - Rebirth

Season 6 - Episode 1 - Aired 3/30/2021

As Braniac lays close to death after trying to stop Lex, Supergirl and team soar in to save him, engaging in an epic battle with Gamenmae. After beating Leviathan, Supergirl turns her attention to Lex who has used the Obsidian platform to brainwash half the world to love him and follow him at all costs, no matter what horrible things he does. Knowing how dangerous this makes her brother, Lena enlists the entire team - Alex, J'onn, Dreamer, Kelly and Braniac - to help, but Supergirl realizes that the only way to truly stop Lex is to sacrifice herself.

Directors: Jesse Warn
Watch Now:Apple TV
Prom Night! (1)
star
7.28
673 votes

#21 - Prom Night! (1)

Season 6 - Episode 5 - Aired 4/27/2021

Nia and Brainy attempt to save Supergirl from the Phantom Zone by time traveling back to Kara's home in 2009. While determined to secure the item needed to help Supergirl, Brainy is worried about keeping a low profile so as not to alter the future timeline. However, when their ship crashes upon arrival, a young Kara Danvers is the first on the scene. Meanwhile, a young reporter named Cat Grant sets her sights on Midvale as she suspects there is a big story in the small town.

Watch Now:Apple TV
Back From the Future (2)
star
7.29
982 votes

#22 - Back From the Future (2)

Season 5 - Episode 12 - Aired 2/16/2020

Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex.

Directors: Alexis Ostrander
Watch Now:Apple TV
Pilot
star
7.30
5486 votes

#23 - Pilot

Season 1 - Episode 1 - Aired 10/26/2015

Kara at age 12 was sent from her dying home planet of Krypton to Earth, where she was taken in by the Danvers, a foster family who taught her to be careful with her extraordinary powers. After repressing said skills for more than a decade, Kara is forced to bust out her super moves in public during an unexpected disaster. Energized by her heroism for the first time in her life, she begins embracing her abilities in the name of helping the people of her city, earning herself a super moniker along the way.

Directors: Glen Winter
Watch Now:Apple TV
Prom Again! (2)
star
7.32
663 votes

#24 - Prom Again! (2)

Season 6 - Episode 6 - Aired 5/4/2021

Young Kara experiences kryptonite for the first time, Nia and Brainy are trapped by aliens, and a young Cat Grant may be the reason Supergirl never gets out of the Phantom Zone.

Directors: Chyler Leigh
Watch Now:Apple TV
Fight or Flight
star
7.33
3974 votes

#25 - Fight or Flight

Season 1 - Episode 3 - Aired 11/9/2015

Supergirl’s powers are tested when Reactron, one of Superman’s formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an exposé on Supergirl.

Directors: Dermott Downs
Watch Now:Apple TV