Alex: My parents always relied on me to watch over my sister, so the few times that I ever did anything for myself, it ended badly. And then Supergirl went missing and I just blew a gasket... Maggie: Because Supergirl's your sister. Alex: What are you talking about? Maggie: Come on. Look, I know you. The only person you get that torn up over is Kara. Plus the glasses don't help. Alex: I always said that too. It's kind of ridiculous.