If it's between her and the millions of people who die by the Blight in the future, I'm going to kill her.

Imra

A Worldkiller that bakes cookies. That's unexpected.

Alex

I had to purchase some apple cider vinegar and I nearly caused a riot at the Piggly Wiggly.

Brainy

If you think a secret needs to be kept, then it needs to be kept.

James

I know how hard it is when everything we know to be true changes. But sometimes all we can do is just accept the way things are, and make the best of that.

Kara

Sam: So this is what I get for asking for your help?
Lena: What's that supposed to mean?
Sam: You ask an oncologist, they'll say cancer. You ask a surgeon, they'll cut you open. You ask a Luther, they'll tell you you're a supervillain.

M'yrnn: A joke.
J'onn: Not funny, dad.
M'yrnn: Only because you did not see your face.

Winn: I've done something amazing!
Kara: Did you find Pestilence?
Winn: I've done something okay.

Mary: When it comes to your day to day, on a scale of 1-10, how big of a pain in the ass are flying monkeys?
Supergirl: Maybe a 2.
Mary: Oh.
Supergirl: Does that make you feel better?
Mary: Yes, very much so.

I'm not sure if you've noticed, but it's like a top secret government facility in here.

Winn

When I lay in bed at night, staring up at the ceiling unable to sleep, I'm not wondering why dad finally, suddenly snapped. No, it doesn't haunt me. What haunts me is you. You left me when I needed you the most with no explanation, no goodbye.

Winn

Karaoke is not for the weak. It requires either great courage or a complete lack of shame, but I like it!

M'yrnn

Supergirl Season 3 Quotes

Reporter: Does President Marsden believe climate change is real?
Cat: Yes, Carl, as a matter of fact she does. She also believes that two plus two equals four, and that the Earth is round, because the President is not a moron.

Winn: I thought it was bad when she skipped pizza night, but skipping free apps? I mean, come on. These are like the beginning of the dark days.
J'onn: Hey, come on, grief doesn't have a deadline.
Winn: Look, I know, but I mean, she goes from being little miss sunshine to, well, Alex basically.
Alex: What? I'm not like that.
J'onn: Oh come on Alex, your unrelenting seriousness is one of your best qualities.