|Season 7, Episode 16|
PART 1: TRANSITION OF POWER- Samantha Arias settles into her new position as CEO of L-Corp as per the stipulations of her new contract, but, as Talia readies herself and the company, a very much alive Mary Seward arrives on the scene intent on challenging her claim. Kara Danvers and Lena Luthor step in to help their friend, and Ra's al Ghul reveals his true colors. Meanwhile, J'onn J'onzz and Eliza Danvers take a big step and Karen Starr takes a new job.
- 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
- Claire Holt as Karen Starr
- Michael Rosenbaum as LX-52
- 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
- Brit Morgan as Livewire
- Brenda Strong as Lillian Luthor
- Tamzin Merchant as Lyra Strayd
- Daniel Sharman as Lor-Zod
- Teressa Liane as Mary Louise Fairchild
- 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
- Title Meaning: Mary's observance of Samantha's ingenuity.
- Reign and Lucy do not appear in this episode.
- This episode is Sam-centric.
- This episode is named after the song by Broken Iris.
- This episode takes place on June 20, 2023.