Where To Stream Supergirl Season 4 Episode 21
Red Dawn
- Aired May 12, 2019
- 60 Min
- Rated 7.8
- Number 4 Of 126 Rated Episodes
Supergirl and Alex go after Red Daughter, while Lena and James hunt down Ben. Brainiac-5, J'onn, and Dreamer attempt to rescue the alien prisoners, but two of them are captured and one of them is "rebooted".