|Season 9, Episode 14|
|The Odessa Steps||The Road|
KIDNAPPED- When Mary Seward kidnaps Jamie Danvers, Alex Danvers and Susannah Russo go on the warpath. While twists and turns prevent an easy rescue of the infant, J'onn J'onzz, Lena Luthor, Kara Danvers, and the gang put all of their resources together to defeat their old adversary; they receive aid from an unexpected source.
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Odette Annable as Samantha Arias
- Olivia Wilde as Susannah Russo
- Tyler Hoechlin as Clark Kent
- Claire Holt as Karen Starr/Power Girl
- Adelaide Kane as Ava Blackwood
- Minka Kelly as Dawn Granger (credit only)
- Jenna Dewan as Lucy Lane
- Michael Rosenbaum as Lex Luthor (Earth-30) (credit only)
- Emmy Rossum as Zaora Dru-Zod (credit only)
- with David Harewood as J'onn J'onzz/Martian Manhunter
- Laura Benanti as Astra In-Ze (credit only)
- and Mehcad Brooks as James Olsen/Guardian
- Troian Bellisario as Mary Seward
- Antagonist: Mary Seward
- Reign, Dawn, E30 Lex, Zaora, and Astra do not appear in this episode.
- There is a 3-month time skip between this episode and the last.
- This episode takes place on April 27, 2024.