| Supergirl | |
|---|---|
| Season 3 | |
 Home media cover Blu-ray | |
| Starring | |
| No. of episodes | 23 |
| Release | |
| Original network | The CW |
| Original release | October 9, 2017 – June 18, 2018 |
| Season chronology | |
The third season of the American television series Supergirl, which is based on the DC Comics character Supergirl / Kara Zor-El, focuses on a costumed superhero who is the cousin to Superman and one of the last surviving Kryptonians.
The season was ordered in January 2017. It was filmed from July 2017 to April 2018, and filming took place in Vancouver. Alongside Melissa Benoist, who stars in the title role, principal cast members Mehcad Brooks, Chyler Leigh, Jeremy Jordan, Chris Wood and David Harewood return from the second season. They are joined by Katie McGrath, who was promoted to a series regular from her recurring status in the previous season, and new cast member Odette Annable. Former series regulars Calista Flockhart and Floriana Lima return as guest star and recurring respectively.
The season premiered on The CW on October 9, 2017, and ran until June 18, 2018, over 23 episodes. The series was renewed for a fourth season on April 2, 2018.[1]
- ^ Goldberg, Leslie (April 2, 2018). "'Riverdale,' 'Flash,' 'Supernatural' Among 10 CW Renewals". The Hollywood Reporter. Archived from the original on April 2, 2018. Retrieved April 2, 2018.