National City has a large population of aliens and it looks like that will start being more of an issue on Supergirl.
Supergirl episode 405, “Parasite Lost,” sees Supergirl and Kara both facing their own struggles. It can’t be easy living two lives all the time.
J’ONN MEETS MANCHESTER BLACK — When Supergirl (Melissa Benoist) needs help, Alex (Chyler Leigh) asks Lena (Katie McGrath) and Brainiac (Jesse Rath) to team up. Meanwhile, J’onn (David Haredwood) questions his decision to quit the DEO. However, after running into Manchester Black (guest star David Ajala), he realizes there are a lot of ways to help his fellow aliens during this tumultuous time.
Supergirl episode 405 airs on Nov. 11, 2018.