|Season 3, Episode 9|
|Brave Enough||Brave New World|
A PLACE FOR US- When tragedy strikes Kandor, Alura decides there is no place on Earth where Kryptonians will be accepted and uses technology stolen from the Coluans to create a new planet in Earth's solar system, with Kandor as the planet's genesis point. When Kara travels to this New Krypton, she comes face-to-face with Zod. J'onn spars with Maggie while Alex extends an offer to Karen.
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Jeremy Jordan as Winn Schott (Earth-6)
- Laura Benanti as Alura Zor-El & Astra In-Ze
- Tyler Hoechlin as Kal-El
- Floriana Lima as Maggie Danvers
- Zachary Quinto as General Dru-Zod
- Odette Annable as Samantha Arias/Reign
- Jenna Dewan as Lucy Lane
- with Claire Holt as Karen Starr
- and David Harewood as J'onn J'onzz/Martian Manhunter
Special Guest StarsEdit
- Emmy Rossum as Zaora Dru-Zod
- Lauren German as President Veronica Banks
- Amy Acker as Brainiac & Vril Dox
- Chris Vance as Non
- Harry Lennix as Commander Fer-Gor
- Tracy Spiridakos as Lesla-Lar
- Dianna Agron as Raya Zod-El
- Paige Turco as Lara Lor-Van
- Casper Crump as Vandal Savage
- Amy Jackson as Imra Ardeen
- Glenn Morshower as General Sam Lane
- Emma Lahana as Zaora Dru-Zod
- Matt Barr as Tyr-Van
- Tamzin Merchant as Lyra Strayd
- Madison Riley as Tara Ky-Gor
- Emma Tremblay as Ruby Arias
- Robert Gant as Zor-El
- Wallis Day as Nyssa-Vex
- with Billy Zane as Lex Luthor
- and Katheryn Winnick as D.I.S.C.O.R.D.
- Antagonists: Brainiac, D.I.S.C.O.R.D., Reign, Dru-Zod, Fer-Gor
- 5th episode this season to feature all main characters.
- This episode begins the "New Krypton" storyline, loosely based on the comics arc of the same name.
- This episode takes place on June 8, 2020.