There are so many good episodes of
Supergirl, but which ones really stand out? Do you like "Crisis on Earth-X: Part 1" the best, or is "Falling" your favorite episode of Supergirl? To determine once and for all what the best episodes of Supergirl are, let's rank every Supergirl episode from best to worst.
DC Comics superhero series, Supergirl premiered on CBS on October 26, 2015, and follows Kara Zor-El as she embraces her powers to become the protector of National City. Supergirl, which is set within the Arrowverse, stars Melissa Benoist as Kara, Mehcad Brooks as James Olsen, Chyler Leigh as Alex Danvers, Jeremy Jordan as Winslow "Winn" Schott Jr., and Calista Flockhart as Cat Grant. Beginning with season 2, Supergirl moved to the CW, joining Arrow and The Flash.
Vote up your favorite episodes of
Supergirl, and downvote any bad episodes that you really didn't enjoy, despite how much you love the series as a whole. It can be painful to put one Supergirl episode over the other when there are so many good ones, which is why you can vote on however many episodes you like. Ranker may collect a commission from links on this page. Prices & inventory are accurate as of publish date.
list ordered by all voters Men Women Age Region rank your version 1
73 18 World's Finest
Season 1 Episode 18: Supergirl gains a new ally when The Flash (GRANT GUSTIN) crosses over from an alternate universe to help her battle Livewire and Silver Banshee.
64 13 Crisis on Earth-X, Part 1
Season 3 Episode 8: When villains from Earth-X attack the wedding ceremony of Barry Allen and Iris West, the Green Arrow, Supergirl, The Flash and White Canary unite their teams to save the world.
57 11 Midvale
Season 3 Episode 6: Kara and Alex head home to Midvale, where Kara recalls a painful memory of a childhood friend’s death and how that traumatic experience brought the sisters closer together.
42 7 For the Girl Who Has Everything
Season 1 Episode 13: While Alex, Hank and the DEO must fend off a Kryptonian attack, Kara is trapped by a parasitic alien in a dream world where her home planet was never destroyed.
35 5 Pilot
Season 1 Episode 1: In the series premiere, Superman's cousin, Kara (MELISSA BENOIST) finally embraces her superhuman abilities to become the hero she was always meant to be.
51 13 Mr. & Mrs. Mxyzptlk
Season 2 Episode 13: When Mr. Mxyzptlk (PETER GADIOT), a magical imp, shows up on Earth and declares his love for Kara, her rejection causes him to wreak havoc on National City.
60 19 Falling
Season 1 Episode 16: Kara turns on her friends and the citizens of national City after being exposed to Red Kryptonite makes her malicious and dangerous.
47 11 Nevertheless, She Persisted
Season 2 Episode 22: In the second season finale, Supergirl challenges Rhea in battle to save National City. Meanwhile, Cat Grant offers Supergirl some sage advice and Superman returns.
35 6 The Adventures of Supergirl
Season 2 Episode 1: In the season two premiere, Kara teams up with her cousin, Superman (TYLER HOECHLIN) to stop a new threat. And Hank is stunned by the pod that crashed last season.
34 6 Human for a Day
Season 1 Episode 7: Kara must rely on their inner strength and courage when an earthquake strikes and she's lost her powers. Also, Alex's mistrust of Hank reaches a breaking point.
36 8 Alex
Season 2 Episode 19: When Alex is kidnapped, Supergirl and Maggie must work together to save her, even though they’ve always had different approaches to apprehending criminals.
39 11 Girl of Steel
Season 3 Episode 1: In the season three premiere, Kara (MELISSA BENOIST) deals with the loss of Mon-El by focusing all her energy on being Supergirl and the mysterious new threat to National City.
26 4 Triggers
Season 3 Episode 2: Psi (YAEL GROBGLAS), a thief with psychic powers attacks National City by immobilizing people with their worst fears. Meanwhile, Samantha starts at L-Corp.
32 9 Bizarro
Season 1 Episode 12: Kara Kara faces off against her mirror image when Bizarro (HOPE LAUREN), a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat's son, Adam.
23 4 Wake Up
Season 3 Episode 7: Eager for some understanding of the changes she has been experiencing, Samantha looks to her estranged mother (BETTY BUCKLEY) for answers.
29 10 Star-Crossed
Season 2 Episode 16: TERI HATCHER and KEVIN SORBO guest star as new villains who come to National City, while DARREN CRISS makes hid debut as The Music Meister.
24 6 Childish Things
Season 1 Episode 10: Kara does her best to support Winn when his father, the Supervillain Toyman (HENRY CZERNY), breaks out of prison and seeks out his son for unknown reasons.
21 4 The Last Children of Krypton
Season 2 Episode 2: Cadmus attacks National City with a kryptonite-powered villain who ends up seriously hurting Supergirl. And Kara meets her new boss, Snapper Carr (IAN GOMEZ).
21 5 How Does She Do It?
Season 1 Episode 5: Kara is pulled in opposite directions when she babysits Cat's son, Carter (LEVI MILLER), while trying to stop a series of bombings. And Lucy Lane (JENNA DEWANT TATUM) appears.
19 4 The Faithful
Season 3 Episode 4: Kara investigates a secretive new group whose leader, Thomas Coville (CHAD LOWE) has a mysterious connection to Supergirl. Meanwhile, J’onn confesses an old secret.
19 4 Livewire
Season 1 Episode 4: Kara's Thanksgiving may be ruined when her foster mother comes for a tense visit and a volatile CatCo employee (BRIT MORGAN) is transformed into the villainous Livewire.
19 5 Manhunter
Season 1 Episode 17: J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers (DEAN CAIN), and assuming Hank Henshaw's identity.
17 4 Resist
Season 2 Episode 21: Cat Grant (CALISTA FLOCKHART) returns to National City. Meanwhile, Supergirl grapples with whether or not to obey orders from the President regarding Rhea’s latest actions.