![Supergirl Season 4 Episode 4 Supergirl Season 4 Episode 4](https://image.tmdb.org/t/p/w185/vqBsgL9nd2v04ZvCqPzwtckDdFD.jpg)
Supergirl Season 4 Episode 4
When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J’onn questions his decision to quit the DEO. However, after running into Manchester Black, he realizes there are a lot of ways to help his fellow aliens during this tumultuous time.
Serie: Supergirl
Director: Armen V. Kevorkian
Guest Star: Anthony Konechny, Bruce Boxleitner, David Ajala, Rhona Mitra, Robert Baker, Tiya Sircar