"When there's trouble, you know who to call."
—Robin officially forms the Teen Titans
"Who is Slade?"
—Robin asks Season 1's Driving Question
"I doubted myself, Star. Focused, serious, determined...as much as I hate to admit it, he and I are kind of alike. But there's one big difference between me and Slade: he doesn't have any friends."
—Robin, after the Titans' first victory against Slade
"My name is Terra, and I have done horrible things. I have sworn to serve a dark Master. I have obeyed his every command, and committed crimes in his name. I have betrayed and attacked everyone who used to be my friend. One by one, I have destroyed the Teen Titans. And with no one left to stop me, I have brought an entire city to its knees. My name is Terra. I have done horrible things. And I have absolutely no regrets."
—Terra reflecting on her choices
"Her name was Terra. She was gifted with tremendous power, and cursed with it as well. She was a dangerous enemy, and a good friend. And she was one of the bravest people that I have ever known."
—Beast Boy eulogizes Terra
"It's simple: there is Good, and there is Evil. There are those who commit crimes, and those who stop them. The two sides are opposite, as different as day and night. And the line between them is clear. Or at least, it's supposed to be..."
"I'm supposed to be one of the good guys, to always do the right thing. The line is supposed to be clear. But for me, back then, it wasn't. A madman was threatening the city, and I had to stop him. So I became Red X, a ruthless thief who could get closer to the madman than Robin ever could. But I didn't tell my teammates, and my plan didn't work. I almost lost my life, and my friends. It was the closest I've ever come to crossing the line, and I thought it was in the past. But now, someone else has crossed that line, and it's my job to stop him!"
"There is Good, and there is Evil, but the line between them can be almost impossible to find. Does one good deed make him a hero? Am I to blame for all of it because of a single mistake? In the end, all I really know is that the answers don't come easy. It's supposed to be simple. But it's not."
—Robin contemplates Grey-and-Gray Morality
"No, Robin. I won't stop. Not now, not ever. I am the thing that keeps you up at night. The evil that haunts every dark corner of your mind. I will never rest...and neither will you."
—Slade haunts Robin
Don't bother getting up, you're in my control
No way for you to fuss and fight
I've taken all your powers, so lucky you
You will be in my show tonight
You think you can defeat me, oh how very droll
Well Titans, one thing you should know
I am the one with magic powers 'round here
I am the one who runs the show
I am the Master of Ceremonies, so let me set you straight
With just a wave of my magic wand, I'm Master Of Your Fate
With just some hocus-pocus and sleight of hand
You all are under my command
Put them in their cages! Keep them all apart!
"Places, everybody! The show's about to start!"
He is the Master of Ceremonies, so let him set you straight
With just a wave of his magic wand, he's Master Of Your Fate
Master Of Your Fate!
Master Of Your Fate!
Master Of Your Fate!
Now for the greatest Grand Finale
And the reason why you're he-e-e-e-ere!
Tonight, I will make the Titans...Disappear!
—The Amazing Mumbo singing his Villain Song, "Master Of Your Fate"
"I always thought I was missing something. Something I needed to become a man. My own team, my own mission...my own skin. So Blood did manage to teach me one lesson: I'm not missing a thing."
—Cyborg on why he decided not to lead the Titans East
"There will always be people who say mean words because you are different, and sometimes their minds cannot be changed. But there are many more people who do not judge others based on how they look or where they are from. Those are the people whose words truly matter."
—Starfire delivers An Aesop
"The Gem was born of evil's fire, the Gem shall be his portal. He comes to claim, he comes to sire, The End of all things mortal."
"How do you do it, Robin?"
"Keep hoping. After everything that happened, everything I did... How did you still manage to hope it could all work out?"
"Because of you. You don't realize it, Raven, but you're actually the most hopeful person I've ever met. From the day you were born, they said you were evil, that you were created to do unspeakable things. But you wished for more. You dared to hope that you could be a hero."
"I thought it was all over. And now, suddenly..."
"You have your whole life ahead of you. You can decide your own destiny."
"I guess, in the end, there really is no end. Just...new beginnings."
—Raven and Robin discuss the former's future after Trigon's defeat
"Good shot! Whoever you are."
"'Whoever you are'? Hey, I've saved the Earth. Several times!"
—Elasti-Girl doesn't know Cyborg
"Last year on my birthday, my friends got me a cake and some balloons. But I couldn't enjoy it because my dad Trigon, the scary red demon with horns took over the world, and there was fire everywhere and this other guy Slade who wore a skeleton for a face came after me and...my friends saved me and we all had cake. The End."
—Raven tells children a bedtime story
"Lesson Number One: never throw me down a hole unless you make sure I stay there!"
"The Lesson Two: we never give up!"
"Lesson Three: your secret lair isn't very secret!"
—The Titans (minus currently-frozen Robin) strike back against the Brotherhood of Evil
"Things change, Beast Boy. The girl you want me to be is just a memory."
"Come in, Beast Boy! We need your help!"
"Come with me."
"You go. You're the Teen Titan. That's who you are. That's not me. I'm not a hero. I'm not out to save the world. I'm just a girl with a geometry test next period and I haven't studied."
"Beast Boy to Robin. I'm on my way. Over."
—Beast Boy lets go of Terra, ending the series