|Supergirl, Batwoman, and the Birds of Prey|
|Season 3, Episode 15|
|You Ruin Me||Conspirators|
SUPERGIRL DISCOVERS BATWOMAN'S IDENTITY- After finally engaging the vigilante known as Batwoman in combat, Kara is stunned when she discovers Batwoman is Alex. When Laurel comes to the DEO requesting help in defeating Livewire, Kara and Alex are all too happy to assist their old teammates.
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers/Batwoman
- Katie McGrath as Lena Luthor
- Laura Benanti as Alura Zor-El & Astra In-Ze (credit only)
- Zachary Quinto as General Dru-Zod (credit only)
- Tyler Hoechlin as Kal-El (credit only)
- Floriana Lima as Maggie Danvers
- Odette Annable as Samantha Arias (credit only)
- Jenna Dewan as Lucy Lane (credit only)
- with Claire Holt as Karen Starr
- and David Harewood as J'onn J'onzz
Special Guest StarsEdit
- Brit Morgan as Livewire
- Antagonist: Livewire
- Alura, Astra, Kal, Zod, Sam, and Lucy do not appear in this episode.
- First episode where Jordan is not credited among the main cast.
- Livewire was last seen in We Can Be Heroes.
- This episode is set on June 15, 2020.