Supergirl/Season One

Season One
Supergirl
Season Premiere	October 26, 2015
Season Finale	April 18, 2016
Episode Count	20
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Previous N/A	Next Season Two

Season One of Supergirl premiered on October 26, 2015.

Episodes

#	#	Title	Written By	Directed By	Airdate	Viewers	18-49 Rating	Prod.
1	1	Pilot	Greg Berlanti & Ali Adler	Glen Winter	October 26, 2015	12.955M	3.1%	276088
After 12 years of keeping her powers a secret on Earth, Kara Zor-El, Superman's cousin, decides to finally embrace her superhuman abilities and be the hero she was always meant to be. Teleplay by Ali Adler and Andrew Kreisberg
2	2	Stronger Together	Greg Berlanti & Andrew Kreisberg	Glen Winter	November 2, 2015	8.865M	2.2%	4X7602
When Kara's attempts to help National City don't go according to plan, she must put aside the doubts that she - and the city's media - has about her abilities in order to capture an escapee from the Kryptonian prison, Fort Rozz. Also, Cat pressures James to use his connection to Superman to get her an interview with Supergirl. Teleplay by Andrew Kreisberg and Ali Adler
3	3	Fight or Flight	Michael Grassi & Rachel Shukert	Dermott Downs	November 9, 2015	8.066M	1.7%	4X7603
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 expose on Supergirl.
4	4	Livewire	Roberto Aguirre-Sacasa & Caitlin Parrish	Kevin Tancharoen	November 16, 2015	7.769M	1.8%	4X7605
Kara's Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers, who is coming to town, disapproves of her new role as a superhero. Also, when an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat and Supergirl.
5	5	How Does She Do It?	Yahlin Chang & Ted Sullivan	Thor Freudenthal	November 23, 2015	7.187M	1.5%	4X7604
Kara's two identities are stretched thin when Supergirl must protect National City from a series of bombings and Kara is tasked with babysitting Cat's son, Carter. Also, James is conflicted when his ex-girlfriend Lucy Lane seeks to rekindle their relationship.
6	6	Red Faced	Michael Grassi & Rachel Shukert	Jesse Warn	November 30, 2015	8.019M	1.6%	4X7606
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.
7	7	Human for a Day	Yahlin Chang & Ted Sullivan	Larry Teng	December 7, 2015	7.665M	1.5%	4X7607
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.
8	8	Hostile Takeover	Roberto Aguirre-Sacasa & Caitlin Parrish	Karen Gaviola	December 14, 2015	7.275M	1.5%	4X7608
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.
9	9	Blood Bonds	Ted Sullivan & Derek Simon	Steve Shill	January 4, 2016	8.746M	1.9%	4X7609
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.
10	10	Childish Things	Yahlin Chang	Jamie Babbit	January 18, 2016	8.767M	1.8%	4X7610
Kara does her best to support Winn when his father, the super-villain 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 plans. Teleplay by Anna Musky-Goldwyn and James DeWille
11	11	Strange Visitor from Another Planet	Michael Grassi & Caitlin Parrish	Glen Winter	January 25, 2016	7.905M	1.8%	4X7611
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.
12	12	Bizarro	Roberto Aguirre-Sacasa & Rachel Shukert	John Showalter	February 1, 2016	6.682M	1.5%	4X7612
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.
13	13	For the Girl Who Has Everything	Andrew Kreisberg	Dermott Downs	February 8, 2016	7.919M	1.8%	4X7613
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. Teleplay by Ted Sullivan and Derek Simon
14	14	Truth, Justice and the American Way	Michael Grassi	Lexi Alexander	February 22, 2013	7.248M	1.5%	4X7614
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. Teleplay by Yahlin Chang and Caitlin Parrish
15	15	Solitude	Rachel Shukert	Dermott Downs	February 29, 2016	6.694M	1.4%	4X7615
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. Teleplay by Anna Musky-Goldwyn and James DeWille
16	16	Falling	Robert Rovner & Jessica Queller	Larry Teng	March 14, 2016	6.53M	1.3%	4X7616
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.
17	17	Manhunter	Derek Simon	Chris Fisher	March 21, 2016	5.995M	1.3%	4X7617
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. Teleplay by Cindy Lichtman and Rachel Shukert
18	18	Worlds Finest	Greg Berlanti	Nick Gomez	March 28, 2016	7.166M	1.7%	4X7618
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. Teleplay by Andrew Kreisberg and Michael Grassi
19	19	Myriad (1)	Yahlin Chang & Caitlin Parrish	Adam Kane	April 11, 2016	6.118M	1.3%	4X7619
Kara must find a way to free her friends when Nonand Indigo use mind control to turn National City's citizens into their own army.
20	20	Better Angels (2)	Andrew Kreisberg & Ali Adler	Larry Teng	April 18, 2016	6.109M	1.3%	4X7620
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. Teleplay by Robert Rovner and Jessica Queller.