Avatar: The Last Airbender Season 2 Episode 20

Katara: Why did they throw you in here? Oh wait, let me guess, it's a trap. So that when Aang shows up to help me you can finally have him in your little Fire Nation clutches. (Zuko just looks at Katara and turns back around) You're a terrible person, you know that, always following us, hunting the Avatar, trying to capture the world's last hope for peace. But what do you care. You're the Fire Lord's son. Spreading war and hatred is in your blood.
Zuko: You don't know what you're talking about.
Katara: I DON'T! How dare you! You have no idea what this war has put me through, me personally. (she sits down with her back to Zuko and starts to cry) The Fire Nation took my mother away from me.
Zuko (looks toward Katara): I'm sorry. (Katara sobs into her arms; Zuko turns toward her): That's something we have in common.
(Katara stops crying and looks up and wipes a tear away)