Goof: In the flashback scene where Katherine asks Damon and Stefan to take her to the Founder's Ball, Damon uses his left hand to remove his hat as he bows down. When the camera angle changes, Damon puts his hat back using his right hand.
When Damon and Vicki and partying in the Salvatore boarding house, Damon often paces through patches of sunlight yet does not burn or seem hurt despite the fact that he does not have his ring.
We learn that vampires can eat garlic and drink holy water, that crucifixes have no effect on them, and that they show their reflections.
Vicki's driver's license shows her address as 749 Birch Street, Mystic Falls, VA 20185. Her birthday is 8/20/1991, but the date the license was issued is shown as 8/20/2000, which would have been on her ninth birthday.
Stefan: I will love you forever.
Katherine: Forever is a very long time, you know.
Stefan: Not long enough.
Elena: I gave you today just like you asked. And I understand that you would never to do anything to hurt me, and I promise I will keep your secret, but...I can't be with you, Stefan. I'm sorry I...I just can't.
Elena: Is that Damon's ring?
Stefan: I took it from him. I have to give it back.
Elena: No! Don't, Stefan. Keep it hidden.
Stefan: Elena, if I don't give it to him, he'll retaliate in the only way that he knows he can hurt me.
Elena: And how is that?
Stefan: By hurting you.
Damon: (on the phone as he burns bodies at the cemetery) I want my ring.
Stefan: Where are you?
Damon: I'm at the Sizzler. I had the buffet.
Vicki: Why don't you have a girlfriend? You're like totally cool and so hot.
Damon: I know.
Vicki: Don't you wanna be in love?
Damon: I've been in love. It's painful and pointless and overrated.
Vicki: Except when it isn't.
Stefan: They extended your leave?
Damon: I was simply having too much fun to return to battle.
Stefan: Your commitment to the Confederacy is inspiring.
Katherine: Well, this works out wonderfully for me.
Damon: How's that, Miss Katherine?
Katherine: Now I'll have both of you here to keep me entertained.
Elena: You said you would explain everything. That's why I asked you to meet me here. When you Google vampire, you get a world of fiction. This is reality.
Stefan: I can tell you whatever you wanna know.
Elena: I know you eat garlic.
Elena: And somehow sunlight's not an issue.
Waitress: Hi. Here are your drinks.
Elena: (to Waitress) Thank you.
Stefan: We have rings that protect us.
Elena: Holy water?
Damon: Where's my ring?!
Stefan: I gave it to Zach to hide. Probably shouldn't have killed him.
Damon: Oh. You almost got me. Where is it?
Stefan: I'll get it back, but I need time.
Damon: What'd you Fed Ex it to Rome? Where is it? I want my ring, Stefan, or my next stop's Elena's.
Stefan: I already want you dead. Don't give me another reason to make it happen.
Damon: Don't give me another reason to rip you apart.
Stefan: Yeah? Is that gonna be before or after you get your ring back?
Damon: Just get it.
Elena: If you mean me no harm, then you'll go.
Stefan: I never wanted this.
Damon: I'm getting really bored and really impatient; and I don't do bored and impatient.
Elena: What are you?!
Stefan: You know.
Elena: No. I don't.
Stefan: Yes, you do, or you wouldn't be here.
Elena: It's not possible. It can't be.
Stefan: Everything you know, and every belief that you have is about to change. Are you ready for that?
Elena: What are you?
Stefan: (pause) I'm a vampire.
Damon: I think I know what can help you.
Vicki: What's that?
Stefan: I've been 17 years old since 1864.
Stefan: That's the thing about Damon. He doesn't get mad. He just gets even.
Damon: So, where's Stefan?
Elena: He's out looking for Vicki.
Damon: Don't look at me with those judgy little eyes. Girl's gonna thank me for what I did to her.
Elena: Did you thank Katherine?
Damon: Got the whole life story, huh?
Elena: I got enough.
Damon: Oh, I doubt that. Tell my brother I'm looking for him. Oh, tip for later, be careful who you invite in the house.
Original International Air Dates:
Latin America: Thursday, November 26, 2009 on Warner Channel
Norway: Wednesday, February 3, 2010 on TVNorge
Germany: Wednesday, February 24, 2010 on ProSieben
United Kingdom: Tuesday, March 2, 2010 on ITV2
Sweden: Thursday, March 11, 2010 on TV6
India: Friday, November 19, 2010 on Zee Cafe
Slovakia: Sunday, November 21, 2010 on Markiza
Poland: Tuesday, January 25, 2011 on TVN
Turkey: Saturday, April 16, 2011 on CNBC-e
Czech Republic: Thursday, June 7, 2012 on TV Nova
"Stood Up" by A Fine Frenzy
"Weight of the World" by Editors
"Fader" by The Temper Trap
"Enjoy the Silence" by Anberlin
"21 Guns" by Green Day
"Down" by Jason Walker
Although credited, Sara Canning (Jenna), Katerina Graham (Bonnie), Candice Accola (Caroline) and Michael Trevino (Tyler) do not appear in this episode. It's the first episode without Graham and Accola.
Episode Title: Lost Girls
"Lost Girls" is a reference to the popular 1987 vampire film The Lost Boys.