|Just Good Business|
|Season 7, Episode 18|
|So Cold||Kara Danvers, You Are My Hero|
PART 3: NOTHING PERSONAL- As the corporate warfare continues and takes on new forms, Samantha Arias, Lena Luthor, Kara Danvers, and Lillian Luthor fight tooth and nail against Mary Seward and Ra's al Ghul for control of the company. Clark Kent works with Karen Starr to further ingratiate herself with "normal" society.
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Odette Annable as Samantha Arias
- Tyler Hoechlin as Clark Kent
- Olivia Wilde as Susannah Russo
- Jenna Dewan as Lucy Lane (credit only)
- Minka Kelly as Dawn Granger (credit only)
- Claire Holt as Karen Starr/Power Girl
- Michael Rosenbaum as LX-52
- with Emmy Rossum as Zaora Dru-Zod
- with David Harewood as J'onn J'onzz
- and Mehcad Brooks as James Olsen
Special Guest StarEdit
- Jon Cryer as Lex Luthor
- Troian Bellisario as Mary Seward
- Emmanuelle Chriqui as Sarah Essen
- Rachel Nichols as Slam Bradley
- Brenda Strong as Lillian Luthor
- Lili Reinhart as Aethryr
- with Oded Fehr as Ra's al Ghul
- and Dichen Lachman as Talia al Ghul (Earth-27)
- Antagonists: Mary Seward, Ra's al Ghul, Reign
- Title Meaning: Sam, Lena, and Lillian's gambit to get rid of Mary and Ra's.
- Lucy and Dawn do not appear in this episode.
- This episode is Sam-centric.
- This episode takes place on June 21, 2023.