List of Supergirl Episodes

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Supergirl is an American superhero action-adventure drama television series developed by Ali Adler, Greg Berlanti and Andrew Kreisberg (the latter two having previously created Arrow and The Flash) that originally aired on CBS and premiered on October 26, 2015. It is based on the DC Comics character Supergirl (Kara Zor-El), created by Otto Binder and Al Plastino, and stars Melissa Benoist in the title role. Supergirl is a costumed superheroine who is the biological cousin to Superman and one of the last surviving Kryptonians.

The series was officially picked up on May 6, 2015, after receiving a series commitment in September 2014, and received a full season order on November 30, 2015. On May 12, 2016, Warner Bros. Television announced that the series had been renewed for a second season and that it would move from CBS to The CW. It debuted on October 10, 2016. On January 8, 2017, The CW renewed the show for a third season. As of May 1, 2017, 39 episodes of Supergirl have aired.

Contents 1 Series overview 2 Episodes 2.1 Season 1 (2015–16) 2.2 Season 2 (2016–17) 3 Ratings 3.1 Season 1 (2015–16) 3.2 Season 2 (2016–17) 4 References

Series overview

Season		Episodes	Originally aired
			First aired	Last aired	Network
	1	20	October 26, 2015	April 18, 2016	CBS
	2	22	October 10, 2016	May 22, 2017	The CW

Episodes

Season 1 (2015–16)

No. overall	No. in season	Title	Directed by	Written by	Original air date	Prod. code	U.S. viewers (millions)
1	1	"Pilot"	Glen Winter	Story by : Greg Berlanti & Ali Adler & Andrew Kreisberg Teleplay by : Ali Adler	October 26, 2015	276088	12.96
Before the destruction of the planet Krypton, Kal-El is sent to Earth along with his cousin Kara Zor-El. The planet's implosion forces her ship off course and into the Phantom Zone for 24 years, before landing on Earth. Kal, now operating as the vigilante "Superman" in Metropolis, puts Kara in the care of the Danvers in National City. Twelve years later, Kara, working at the media conglomerate CatCo, reveals her powers as a vigilante. She tells her co-worker, Winn Schott, about her secret and he starts aiding her. Her cold-hearted boss, Cat Grant, titles the vigilante "Supergirl". Alex, Kara's adoptive sister, is revealed to be working at the Department of Extra-Normal Operations (DEO), under the leadership of Hank Henshaw, investigating alien activity. Kara learns that there are hundreds of aliens on Earth, most of whom came from a prison that was run by her mother, Alura. Her actions attract the attention of an alien called Vartox, and she is able to defeat him, who kills himself. James Olsen, another one of Kara's colleagues, reveals that Kal sent him to look after her and presents her with a new cape. Vartox's superior is revealed to be Astra In-Ze, Alura's identical twin sister, who wants to conquer Earth.
2	2	"Stronger Together"	Glen Winter	Story by : Greg Berlanti & Andrew Kreisberg Teleplay by : Andrew Kreisberg & Ali Adler	November 2, 2015	4X7602	8.87
In an effort to put a positive image on Supergirl in the wake of a serious mishap, Kara asks Winn and James to help her perfect her skills, while Hank and Alex put Kara through extensive physical training. Kara learns that an alien of the Hellgrammite species who escaped from Fort Rozz, Alura's prison, is on Earth searching for chlorine-based food. The DEO prepares an ambush for the Hellgrammite, but it escapes, kidnaps Alex, and takes her to Astra, who uses Alex as a trap for Kara. As Kara and Astra fight, Hank injures Astra with a Kryptonite knife and Alex kills the Hellgrammite. Learning that Kara has become more powerful than she had imagined and that humanity has a means of weakening Kryptonians, Astra muses that her "plans" may need to be postponed. Alex provides Kara with an interactive artificial intelligence of Alura's consciousness. Meanwhile, Cat pressures James to get her an interview with Supergirl. In the end, Kara agrees to the interview and prevents James from getting fired. It is also revealed that Hank might have a secret of his own when his eyes glow red.
3	3	"Fight or Flight"	Dermott Downs	Michael Grassi & Rachel Shukert	November 9, 2015	4X7603	8.07
During the interview with Cat, Kara accidentally reveals that she is Superman's cousin. After Cat exposes the relationship, Kara is attacked by Reactron, who seeks to kill her in order to get his revenge on Superman, but she manages to send him fleeing. He later goes to LORD Technology labs and kidnaps Maxwell Lord to get him to fix his suit. Kara later learns that a reactor meltdown Superman stopped in the past killed Reactron's wife. She goes to the hideout of Reactron, identified as Ben Krull, and manages to save Maxwell, only to get badly injured by Krull afterwards, but Superman comes to save her. She gets mad at James for calling Superman for help. During a party Cat organized, Krull breaks in to find Supergirl. While James distracts Reactron, Kara covers her hand in lead so that she can use it to safely remove the power core in Krull's suit and defeat him. Kara, who has feelings for James, witnesses his ex-girlfriend, Lucy Lane, also Lois Lane's younger sister, paying him a visit to restart their relationship.

Season 2 (2016–17)

No. overall	No. in season	Title	Directed by	Written by	Original air date	Prod. code	U.S. viewers (millions)

Ratings

Season 1 (2015–16)

No.	Title	Air date	Rating/share (18–49)	Viewers (millions)	DVR (18–49)	DVR viewers (millions)	Total (18–49)	Total viewers (millions)
1	"Pilot"	October 26, 2015	3.1/9	12.96	1.3	3.97	4.4	16.92
2	"Stronger Together"	November 2, 2015	2.2/7	8.87	1.0	3.33	3.2	12.20
3	Fight or Flight	November 9, 2015	1.7/5	8.07	1.0	2.83	2.7	10.90

Season 2 (2016–17)

No.	Title	Air date	Rating/share (18–49)	Viewers (millions)	DVR (18–49)	DVR viewers (millions)	Total (18–49)	Total viewers (millions)

References

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