Supergirl


 * For the superhero of the same name, see Kara Danvers.

Supergirl is a television series based on the DC Comics character, Supergirl. The series is executive produced by Greg Berlanti, Ali Adler and Sarah Schechter. It began airing on CBS on October 26, 2015 for the 2015-16 season. CBS chose not to renew the show after the first season, and it moved to The CW for a second season in the 2016-17 season. The CW later gave the show an early third season renewal. On April 2, 2018, the series was renewed for a fourth season, which is scheduled to premiere during the 2018–19 season.

Synopsis
Kara Zor-El, Superman's cousin who, after 14 years of keeping her powers a secret on Earth, decides to finally embrace her superhuman abilities and be the hero she was always meant to be. Thriteen-year-old Kara escaped the doomed planet Krypton with her parents' help at the same time as the infant Kal-El. Protected and raised on Earth by her foster family, the Danvers, Kara grew up in the shadow of her foster sister, Alex, and learned to conceal the phenomenal powers she shares with her famous cousin in order to keep her identity a secret. Years later at 24, Kara lives in National City assisting media mogul and fierce taskmaster Cat Grant, who just hired the Daily Planet’s former photographer, James Olsen, as her new art director. However, Kara's days of keeping her talents a secret are over when Hank Henshaw, head of a super-secret agency where her sister also works, enlists her to help them protect the citizens of National City from sinister threats.

Though Kara will need to find a way to manage her newfound empowerment with her very human relationships, her heart soars as she takes to the skies as Supergirl to fight crime.

Season 1

 * "When I was a child, my planet Krypton was dying. I was sent to Earth to protect my cousin. But my pod got knocked off course and by the time I got here, my cousin had already grown up and become... Superman. And so I hid my powers until recently when an accident forced me to reveal myself to the world. To most people, I'm an assistant at CatCo Worldwide Media. But in secret, I work with my adoptive sister for the D.E.O. to protect my city from alien life and anyone else that means to cause it harm. I am Supergirl."

Season 2

 * "When I was a child, my planet Krypton was dying. I was sent to Earth to protect my cousin. But my pod got knocked off course and by the time I got here, my cousin had already grown up and become... Superman. I hid who I really was until one day when an accident forced me to reveal myself to the world. To most people, I'm a reporter at CatCo Worldwide Media. But in secret, I work with my adoptive sister for the D.E.O. to protect my city from alien life and anyone else that means to cause it harm. I am Supergirl."

Season 3

 * "My name is Kara Zor-El. I'm from Krypton. I'm a refugee on this planet. I was sent to Earth to protect my cousin. But my pod got knocked off course and by the time I got here, my cousin had already grown up and become... Superman. I hid who I really was until one day when an accident forced me to reveal myself to the world. To most people, I'm a reporter at CatCo Worldwide Media. But in secret, I work with my adoptive sister for the D.E.O. to protect my city from alien life and anyone else that means to cause it harm. I am Supergirl."

Main cast

 * Melissa Benoist as Kara Danvers/Supergirl
 * Mehcad Brooks as James Olsen/Guardian
 * Chyler Leigh as Alex Danvers
 * Jeremy Jordan as Winn Schott (seasons 1–3; recurring season 4)
 * David Harewood as J'onn J'onzz/Martian Manhunter
 * Calista Flockhart as Cat Grant (season 1; special appearance season 2–present)
 * Floriana Lima as Maggie Sawyer (season 2; special guest season 3)
 * Chris Wood as Mon-El (seasons 2–3)
 * Katie McGrath as Lena Luthor (season 3–present; recurring season 2)
 * Odette Annable as Samantha Arias/Reign (season 3)
 * Jesse Rath as Querl Dox/Brainiac 5 (season 4; recurring season 3)
 * Sam Witwer as Agent Liberty (season 4)
 * Nicole Maines as Nia Nal/Dreamer (season 4)

Trivia

 * Supergirl has had one supplemental comic book series, Adventures of Supergirl. As well, Supergirl has had several supplementary books.
 * DC Comics later incorporated several elements from the show in 2016 when they relaunched the Supergirl comics as part of their DC Rebirth event.