Season 6 (Supergirl)

The sixth and final season of was renewed on January 2021 and will air midseason 2021 due to the 2019-2020 Coronavirus Pandemic. On September 22, 2020, it was announced that Supergirl would end on this season and will consist of 20 episode.

Synopsis
SUPERGIRL is an action-adventure drama based on the DC character Kara Zor-El. Twelve-year-old Kara escaped the doomed planet Krypton and was sent to Earth where she was raised by a foster family. Kara grew up in the shadow of her foster sister, Alex, and learned to conceal the phenomenal powers she shares with her famous cousin, Superman, in order to keep her identity a secret. Years later, Kara was living in National City and still concealing her powers, when a plane crash threatened Alex's life and Kara took to the sky to save her. Now, Kara balances her work as a reporter for CatCo Worldwide Media with her work as Supergirl, keeping National City and the Earth safe from sinister threats. She's joined in this pursuit of justice by her sister, Alex, her mentor, Martian Manhunter and her friends Brainiac-5, Dreamer and Lena Luthor. As Kara struggles to navigate her relationships and her life as a reporter, her heart soars as she takes to the skies as Supergirl!

Main cast

 * Melissa Benoist as Supergirl (Kara Zor-El)
 * Chyler Leigh as Alex Danvers
 * Katie McGrath as Lena Luthor
 * Jesse Rath as Brainiac 5 (Querl Dox)
 * Nicole Maines as Dreamer (Nia Nal)
 * Julie Gonzalo as Andrea Rojas
 * David Harewood as Martian Manhunter (J'onn J'onzz)

Production
Shooting started on September 28, 2020 to May 2021.

Trivia

 * Like its Season 1, this season will only consist of 20 episodes and will be the series' final season.