|Brain On Fire|
|Season 4, Episode 2|
|The Kryptonian Cure||War Is Coming|
LORD GETS AN UPGRADE- Maxwell Lord discovers he possesses psychic abilities and experiences gradual moral decay in the process, which brings him back into conflict with Kara Danvers and James Olsen. Alex Danvers and Maggie Danvers help the victims of the demonstration at L-Corp, and Lucy Lane tracks down Lena Luthor.
- Melissa Benoist as Kara Danvers/Supergirl
- Chyler Leigh as Alex Danvers
- Jeremy Jordan as Winslow Schott (credit only)
- Katie McGrath as Lena Luthor
- Laura Benanti as Astra In-Ze
- Zachary Quinto as General Dru-Zod (credit only)
- Tyler Hoechlin as Kal-El (credit only)
- Odette Annable as Reign
- Jenna Dewan as Lucy Lane
- Floriana Lima as Maggie Danvers
- with Claire Holt as Karen Starr/Power Girl
- and Mehcad Brooks as James Olsen/Guardian
Special Appearance ByEdit
- Calista Flockhart as Cat Grant
Special Guest StarEdit
- Peter Facinelli as Max Lord
- Antagonist: Max Lord
- Winslow, Kal and Zod do not appear in this episode.
- This episode takes place on July 2, 2020.