I created you as a beautiful baseline to unlock the mysteries of the human genome.

Susan [to Cosima]

Who's the science now, bitch?

Cosima [to Leekie's decapitated head]

Scott: Insulated and fashionable.
Cosima: Yeah, that's Alison for ya.

Look, Nikki. Another puzzle piece. See, Nikki, we're getting closer? Never forget.

MK

Sarah: And what is it you want?
Mrs. S: What he wants is to rescue Rachel.
Ferdinand: What can I say? She pierced this armored heart.

Immunosuppressive therapy likely won't save her. Untreated, her data has value. More value than her life. We shouldn't intervene. That's what you wanted to hear, isn't it?

Rachel

Little science babies, forgive me. I did not know to feed you liquid nitrogens. But your twins are in my belly. And when they are old, I will tell them all about you and our adventures. Goodbye, family Hendrick.

Helena

Alison: Is that your leaning tower? It's not leaning anymore.
Donnie: Oh, I've got two spicy meatballs for you, baby.
Alison: So spicy!
Donnie: Oh, it's so tight... in this airplane bathroom.
Alison: I'm arriving! I'm landing!

Felix: What the bloody hell are you doing?
Donnie: I'm playing the part, darling.
Felix: No, darling, you're mincing.

Oh, lord and butter, Donnie, stop chewing the scenery.

Alison

Ah, the frittata. Go-to brunch for lazy lovers. Rachel's a foodie, too. And only a fluffy frittata will she abide.

Ferdinand

It looks like Pluto. Pluto isn't even a planet, you know. It's a runt. Like your eye.

Charlotte

Orphan Black Season 4 Quotes

OK, well, that's cheeky. Cause of death? Have to go with... exploding cigar.

Janis Beckwith

M.K.: Follow the coordinates.
Beth: What?
M.K.: Remember, don't trust anyone next to you.