Supergirl Trailer: 25 Easter Eggs And References You Need To See

8. DEO

The DEO is the Department of Extranormal Operations, a government agency that in the comic books monitors superhuman activities in order to protect the general public from them. Their focus here in Supergirl though appears to be more on alien threats, and it seems as if Kara will be working with them throughout the course of the series despite her otherworldly origins. They'll basically be what S.T.A.R. Labs is to Barry Allen in The Flash.