|An Exercise in Futility|
|Season 8, Episode 8|
JOURNEYS- Kara seeks out Amara to prove the validity of Brainiac 14's apocalyptic claims. In National City, Alex Danvers and Lena Luthor train with Zaora Dru-Zod, who has her own designs for the Kryptonian settlement on Earth. Samantha Arias visits Ava Blackwood in her cell.
- Melissa Benoist as Kara Danvers/Supergirl & Red Daughter
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Laura Benanti as Astra In-Ze
- Odette Annable as Samantha Arias
- Olivia Wilde as Susannah Russo
- Jenna Dewan as Lucy Lane
- Adelaide Kane as Ava Blackwood
- with Minka Kelly as Dawn Granger
- and Emmy Rossum as Zaora Dru-Zod
Special Guest Stars
- Emily Swallow as Amara
- Daniel Sharman as General Lor-Zod
- Esme Bianco as Elsala Sym-Ro
- Eka Darville as Kell-Zur
- Lili Reinhart as Sub-Commander Aethryr
- and Dianna Agron as Major Raya Dru-Zod
- Antagonists: Ava Blackwood
- Dawn does not appear in this episode.
- This episode takes place on February 15, 2024.