Supergirl 4×01 American Alien
Supergirl returns to the CW! This season it seems to be focused on aliens being treated equally to humans on earth. Supergirl will now have to combat Mercy and Otis Graves and another enemy known as Agent Liberty.
agent libertyagent of libertyamerican alienbrainiacbrainiac 5CWCW seriescw showscw supergirlDCDC Comicsdc nationdc tvdc universeDCAnimatedUniverseDCmoviesDCUAdetective comicshouse of eljohn joneskara zor ellena luthorlex luthormartian manhuntermercy gravesmeta humansmetasotis gravesSupersupergirlsupergirl season 4superherosuperheroessuperman