Supergirl: Alex, there's a dragon on Main Street.
Alex: That's what I get for making a Harry Potter reference.

I think it's very interesting that we are here, having this debate the day before Thanksgiving Day. I mean, American history, it has this nasty habit with this holiday particularly to just wrap it all up in a neat little bow when the truth is in the years following the indigenous Wampanoag people inviting the pilgrims to a wonderful Thanksgiving meal, the European invaders slaughtered their hosts. So if we do not learn from American history, it is it possible that 100 years from now, the aliens will have their own wonderful, thankful holiday about they slaughtered us?

Ben Lockwood

James Olsen: Roaches? That's pretty heavy language, and I would really appreciate it if you didn't call aliens "roaches" in my presence.
Tom: But that's what they are.
James Olsen: Or do you just classify them that way so you don't have to deal with the fact that they're living, breathing beings just like you and I?

Nia Nal: Please don't fire me.
James Olsen: No one's going to fire you. You do amazing work... when you're awake.

Supergirl: Who is this Agent Liberty?
Man: We all are.

Supergirl Season 4 Episode 6 Quotes

Nia Nal: Please don't fire me.
James Olsen: No one's going to fire you. You do amazing work... when you're awake.

Supergirl: Who is this Agent Liberty?
Man: We all are.