10 Best Episodes of Supergirl - Season 1

Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.

Written by Sophie and last updated on jan 28, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Supergirl - S1E14

#15 - Truth, Justice and the American Way (Season 1 - Episode 14)

Supergirl does battle with the deadly Master Jailer, who is hunting and executing escaped Fort Rozz prisoners. Also, Cat hires a second assistant, Siobhan Smythe, who immediately tries to one-up Kara, and Kara and James disagree over the DEO's methods.

The episode was rated 7.55 from 3304 votes.

Supergirl - S1E12

#14 - Bizarro (Season 1 - Episode 12)


Kara faces off against her mirror image when Bizarro, a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat’s son, Adam.

The episode was rated 7.58 from 3428 votes.

Supergirl - S1E6

#13 - Red Faced (Season 1 - Episode 6)

Personal and professional stress get the better of Kara when she goes too far during a training exercise against Red Tornado, a military cyborg commissioned by Lucy Lane’s father, General Sam Lane. Also, Cat’s tough exterior is shaken by a visit from her judgmental mother, Katherine, and Alex enlists Winn to look into her father’s mysterious death.

The episode was rated 7.60 from 3492 votes.

Supergirl - S1E15

#12 - Solitude (Season 1 - Episode 15)


Kara travels to Superman’s Fortress of Solitude in hopes of learning how to defeat Indigo, a dangerous being who can transport via the Internet and who has a connection to Kara’s past. Also, James’s relationship with Lucy reaches a crossroads.

The episode was rated 7.64 from 3249 votes.

Supergirl - S1E10

#11 - Childish Things (Season 1 - Episode 10)

Kara does her best to support Winn when his father, the supervillain Toyman, breaks out of prison and seeks out his son for unknown reasons. Also, Cat offers Lucy a job at CatCo and Alex asks Hank to use his powers to help uncover Maxwell Lord's plan.

The episode was rated 7.65 from 3432 votes.

Supergirl - S1E9

#10 - Blood Bonds (Season 1 - Episode 9)


With Astra in captivity at the DEO, her husband, Non, captures Hank, leading to a tense standoff between the two sides. Also, Kara continues to refute Cat's allegations that she is Supergirl.

The episode was rated 7.66 from 3412 votes.

Supergirl - S1E19

#9 - Myriad (Season 1 - Episode 19)

Kara must find a way to free her friends when Non and Indigo use mind control to turn National City’s citizens into their own army.

The episode was rated 7.68 from 3743 votes.

Supergirl - S1E11

#8 - Strange Visitor From Another Planet (Season 1 - Episode 11)


Kara must help Hank face his painful past when a White Martian, a member of the alien race that wiped out his people, kidnaps Senator Miranda Crane, an anti-alien politician. Also, Cat's estranged son, Adam, arrives in National City.

The episode was rated 7.70 from 3460 votes.

Supergirl - S1E13

#7 - For The Girl Who Has Everything (Season 1 - Episode 13)

Kara’s friends must find a way to save her life when a parasitic alien attaches itself to her and traps her in a dream world where her family is alive and her home planet was never destroyed. Also, Alex, Hank and the DEO must fend off a Kryptonian attack while Kara is out of commission.

The episode was rated 7.72 from 3420 votes.

Supergirl - S1E7

#6 - Human for a Day (Season 1 - Episode 7)


Kara and her friends must rely on their inner strength and courage when an earthquake strikes National City. Also, Alex’s mistrust of Hank reaches a breaking point when the earthquake traps them in the DEO with Jemm, a powerful alien escapee.

The episode was rated 7.73 from 3488 votes.

Supergirl - S1E17

#5 - Manhunter (Season 1 - Episode 17)

J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers, and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan plots against Kara.

The episode was rated 7.78 from 3414 votes.

Supergirl - S1E8

#4 - Hostile Takeover (Season 1 - Episode 8)


Kara goes toe-to-toe with Astra when her aunt challenges Kara’s beliefs about her mother. Also, Cat is threatened with being removed as the CEO of CatCo after a hacker exposes her private and damaging emails.

The episode was rated 7.80 from 3450 votes.

Supergirl - S1E20

#3 - Better Angels (Season 1 - Episode 20)

Supergirl is forced to do battle with an unexpected foe and must risk everything – including her life – to prevent Non and Indigo from destroying every person on the planet.

The episode was rated 7.87 from 3795 votes.

Supergirl - S1E16

#2 - 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. Also, Cat appears on THE TALK to discuss Supergirl.

The episode was rated 7.89 from 3425 votes.

Supergirl - S1E18

#1 - Worlds Finest (Season 1 - Episode 18)

Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.

The episode was rated 8.17 from 4032 votes.

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