|Challenge of the Superfriends|
|Season 7, Episode 8 (128)|
PART 1 OF 3: BELOW- Kara Danvers traps herself and Reign in the tunnel network beneath Metropolis, with the rest of the League pitching in to help defeat the Worldkiller. Alex Danvers and Lena Luthor work to distract Reign while Kara recovers.
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Odette Annable as Reign & Samantha Arias
- Laura Benanti as Astra
- Tyler Hoechlin as Clark Kent/Superman
- Olivia Wilde as Susannah Russo
- Jenna Dewan as Lucy Lane
- Minka Kelly as Dawn Granger
- Claire Holt as Karen Starr/Power Girl
- Brenda Strong as Lillian Luthor
- Wallis Day as Chief Magistrate Nyssa-Vex
- with Emmy Rossum as Zaora Dru-Zod
- and Mehcad Brooks as James Olsen/Guardian
Special Guest StarsEdit
- Katie Cassidy as Laurel Lance/Black Canary
- Luke Evans as Bruce Wayne/Batman
- with David Harewood as J'onn J'onzz/Martian Manhunter
- and Robert Buckley as Arthur Curry/Aquaman
- Antagonist: Reign
- Title Meaning: A reference to the Hanna-Barbara cartoon of the 1960s.
- This episode will be akin to a horror film, with Kara as the Final Girl and Reign as the monster/villain.
- This episode takes place on May 28, 2023.
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