Sensei Yoru: You practice as a man obsessed.
Bruce Wayne: I'm not good enough, Yoru Sensei. I lost!
Sensei Yoru: Everyone loses now and again.
Bruce Wayne: I have to be the best there is, no matter what it takes!
Sensei Yoru: Defeat can often be more instructive than victory.
[after Kyodai beats Bruce in a match]
Kyodai Ken: Don't feel bad, Wayne. You're not bad for a rich man's pampered son.
[Yoru Sensei leaps out of his seat, grabs Kyodai, and effortlessly throws him to the ground]
Sensei Yoru: There is always someone better, Kyodai! Now apologize for your remark.
[after Batman is weakened by the ninja's gas gun, Robin drives him away]
Robin: You all right?
Batman: Let's go.
[he walks off]
Robin: [as Batman] "Thanks for saving my bacon, Robin!"
Robin: Hey, no problemo, Batman!
Alfred Pennyworth: Master Bruce, I'm afraid there's been another robbery of a Wayne Enterprises company.
Dick Grayson: That's the sixth one in two weeks.
Bruce Wayne: Seventh.
[Dick makes a face behind Bruce's back]
Bruce Wayne: Where, Alfred?
Summer Gleeson: Mr. Wayne, Mr. Wayne! Do you have any idea why someone has been robbing and sabotaging your businesses? Two buildings burned down, another blown up. This one's computer system's wrecked.
Commissioner James Gordon: Miss Gleeson, how do you know that?
Summer Gleeson: A good reporter has sources, Commissioner. Any comments, Mr. Wayne?
Bruce Wayne: [to Commissioner Gordon] If you'll excuse me.
Summer Gleeson: Hmph! You can't ignore the press, Mr. Wayne!
[Dick attempts to join Batman on patrol, but he refuses, driving off]
Robin: What's with him? Bat got his tongue?
Alfred Pennyworth: You know Master Bruce; he's not one to discuss his feelings.
Robin: Isn't THAT the truth? Something's eating him, Alfred. I don't know what... yet.
Summer Gleeson: I'm sure there's more to these crimes against Bruce Wayne than meets the eye. What do we know about The Bruce, after all? One of the richest men on the planet, but he comes off like the ultimate Boy Scout. I think I'll just pop over to the Wayne Charities Reception tonight and see if I can't get some answers.
Harry, the editor: Be careful, Summer, Wayne's got mondo clout in Gotham.
Summer Gleeson: Hey, Harry, I'm a big girl.
Batman: [referring to the ninja] I know him.
Robin: Say WHAT?
Batman: He and Bruce Wayne were students together in Japan, a long time ago. His name is Kyodai Ken. He was good.
Robin: Yeah? How good?
Robin: I see.
Kyodai Ken: Or don't you remember?
[takes off his mask]
Bruce Wayne: I still remember you, Kyodai.
Kyodai Ken: Of course you would remember the man you ruined. Thanks to you, I was thrown out of the dojo like a common thief.
Bruce Wayne: As I recall, being a thief was what got you thrown out in the first place.
[after Bruce escapes his bonds, he rises and confronts Kyodai]
Kyodai Ken: Oh, really.
[They circle each other. Bruce throws a self-conscious glance at Summer - and Kyodai throws him across the room]
Kyodai Ken: You're getting soft, Wayne. Even a white belt could avoid that throw!
[throws him again]
Kyodai Ken: Tired already, Wayne? I haven't even broken a sweat yet. GET UP!
Robin: [watching from above] Come on, Bruce...
Summer Gleeson: Stop it! Can't you see he's no match for you?
Kyodai Ken: He never was.
[one last throw]
Kyodai Ken: I've had enough exercise for one evening. Now it ends, Wayne.
[Robin throws a ball bearing with a sling. Instead of hitting Kyodai, it hits a carpet roll above Summer's head, which rolls down over her eyes]
Summer Gleeson: Hey!
[Bruce attacks Kyodai, throwing him across the room]
Kyodai Ken: Gotten a second wind, have you? Good! This will make your defeat all the more satisfying.
Bruce Wayne: Shut up and fight.
[Kyodai attacks. Bruce defends, then throws him again, following up with a flying kick]
Bruce Wayne: You were right about one thing, Kyodai - now it ends.
[Kyodai grabs a statue, hurls it through the window, and escapes]
Robin: You think he'll ever come back?
Bruce Wayne: It doesn't matter. I defeated him once. If necessary, I can do it again.
Robin: He did have you worried for a while, didn't he?
[For a moment, Bruce looks angry, then smiles]
Bruce Wayne: Thanks for your help. It would have been harder to defeat him with Summer watching. Maybe even impossible.
[Robin looks surprised, then grins]
Robin: So what did you tell Summer?
Bruce Wayne: That Batman showed up and took care of the ninja. That's true enough.
Kyodai Ken: [scornfully] So, the famous Batman.
Kyodai Ken: I am honored. However, my business is not with you. Leave and you may live. Stay, and...
[unsheathes sword and raises it threateningly]
[having incapacitated Batman with a gasgun, the ninja Kyodai Ken raises his sword to strike, when a batarang thrown by Robin knocks his sword away]
Robin: Listen, dipstick, Batman's my pal. He can be a major jerk, but you gotta love him. And NOBODY tries to fillet him when I'M around.
Kyodai Ken: [to Batman] Another time, then.
Robin: I thought samurai lived by a code of honor. That gasgun wasn't exactly "According to Hoyle."
Batman: He's not samurai. He's NINJA. They're spies and assassins. Their only code is to get the job done.
[Alfred is washing dishes while Dick is sitting on the kitchen counter]
Dick Grayson: Alfred, do you know anything about Bruce's training in Japan?
Alfred Pennyworth: Of course, dear boy, I was there. Lovely country. I especially like the tea.
Dick Grayson: You ever hear of somebody named Kyodai Ken?
Alfred Pennyworth: Oh, indeed. He was the only student at the martial arts school who could consistently defeat Master Bruce. A bad egg, that one.
Dick Grayson: I think Bruce is worried he can't take this ninja. He won't admit it, of course.
Alfred Pennyworth: He never admits fears, Master Dick. Haven't you learned that by now?
[Alfred turns from sink, and both Dick and Alfred gasp when they see Bruce standing in the doorway wearing formalwear]
Alfred Pennyworth: Ah, Master Bruce, I-I - ah, uh, uh...
Bruce Wayne: I'll be at the museum. I should be back by midnight.
[leaves, closing the door]
Dick Grayson: Do you think he heard us?
Alfred Pennyworth: Who can tell?