- Mr. Groote: [Scolding Howard] What in blazes did you buy with it? Dynamite? Dynamite to blow up the house with?
- Max: I think Howard need some quality time with his old folks.
- Terry McGinnis: You think they'll ground him?
- Mr. Groote: [Last lines] Your mother's antique doll collection!
- Louie: You ought to look into getting a synthoid, Bat-freak! It'd give you something to do on Friday night!
- Howard: [after Cynthia blows up his house] Just look at it. How could this be any worse?
- Mr. Groote: [pulling the car into the driveway] Howard!
- Max: See ya.
- Howard: Mom, dad, I thought you had another week in Madrid.
- Mr. Groote: We did until you maxed out our credit card.
- Cynthia: You don't like me anymore.
- Howard: I do, Cynthia. I just have to fix something in your command processor so you don't shove people around.
- Cynthia: But I am what you wanted me to be, Howard.
- Howard: I... I just didn't mean quite so intense. You're hurting people.
- Cynthia: We won't need other people. You're my only reason for being. I'd go to pieces without you.
- Howard: [pushing her away] Cynthia. Cynthia! Keep your hands to your... Cynthia!
- Blade: [hearing the commotion outside] Go, Howard.
- Max: I think Howard needs some quality time alone with his folks.
- Terry McGinnis: You think they'll ground him?
- Howard: I appreciate what you guys were saying, but I still want a cool girlfriend like Chelsea or Blade. Then kids would come to me. It's a sign that you're somebody.
- Terry McGinnis: Somebody pretty shallow.
- Howard: Shallow but popular.
- [seeing Terry's car]
- Howard: Hey! The boss's car. How about a lift?
- Terry McGinnis: Sure, if you don't mind a side trip. I have to run an errand for Mr. Wayne.
- Howard: Aw, if I had wheels like these, I'd get more girls than a rock star.
- Terry McGinnis: I did mention the whole shallow thing, didn't I?
- Nelson Nash: Schway party, Howard. It takes real guts to blow up your own home.
- Blade: Yeah, kids are gonna talk about this night for years. You're a legend.
- Terry McGinnis: Check this out.
- Max: Handprints? They don't look big enough to knock over lockers.
- Terry McGinnis: No fingerprints, either.
- Max: Maybe he wore gloves or something.
- [hearing guys heading towards them, she gets into a locker to hide]
- Max: Ter, you gotta get me out of here.
- Terry McGinnis: How?
- Max: I don't know. Think of something.
- Terry McGinnis: I'll let Mr. Silverstein know you'll be late.
- Max: You are so dead, McGinnis.
- Bruce Wayne: As Batman, you must handle the widely-varied tactics of your criminal adversaries. Some will try to distract you with bizarre gimmicks. Learn to use their weapons against them. These quirks have a pattern. Recognizing them is the key to winning.
- Terry McGinnis: Not too shabby, huh?
- Bruce Wayne: [turning off a simulator] Better, though your execution could use more...
- [holding up a broken robotic head of Killer Croc]
- Bruce Wayne: ...finesse.
- Terry McGinnis: Hey, it gets the job done.
- Bruce Wayne: Speaking of jobs, yours is to get a replacement for this one after school.
- Nelson Nash: What's your name, doll?
- Cynthia: I don't know.
- Nelson Nash: First-day jitters, huh? Hill High can be friendly, if you've got the right friends.
- Cynthia: No, thanks. I'm only interested in him.
- Howard: Excuse me, Nelson. She's out of your league.
- Nelson Nash: Your friend got a name, Groote?
- Howard: Synth... thia. Gotta run.
- Nelson Nash: [to his friends] No way a nimbus like Groote deserves a schway babe like that. I'm gonna have to put him in his place.
- Cynthia: We can be together forever.
- Howard: Forever's a long time. A real long time. And I'm kinda young.
- Cynthia: Which means we'll have even more time together.
- Howard: Cynthia, listen. We have to talk. The fact is, this relationship isn't working. You're way too possessive. It was great in the beginning, but now, I...
- Cynthia: You what?
- Howard: I wanna see other girls.
- [she starts to overload]
- Howard: Oh, this isn't good.
- Blade: [seeing him come out] Sounds like you really got her wound up.
- Howard: You don't know the half of it.
- Mr. Brooks: Yes, Mr. Wayne's special order is ready. He, uh, certainly goes through a lot of these synthoids.
- Terry McGinnis: You know old folks. Always breaking stuff.
- Chelsea: [she and other students are planning to attend Howard's party] If you're not too busy being Mr. Host, maybe I can pry you away from Cynthia for a dance.
- [puts her hand on his shoulder]
- Howard: You're talking to Howard Groote. All things are possible.
- [Terry notices Cynthia giving Chelsea an angry look, she squeezes Howard's notebook so tightly it cracks]