- Anne Chan: I still don't see why the crook can't be Scarlet.
- Tom Chan: Because Scarlet is of the female gender.
- Anne Chan: So what? Just because she's woman, why can't she be a crook?
- Susie Chan: Stop being silly.
- Anne Chan: Listen, a woman can be just as good a crook as a man anytime.
- Alan Chan: Annie, I think your head's coming to a point.
- Flip Chan: [while following their suspect] I'll bet he takes us right to the ring he heisted.
- Scooter Chan: How do you know he heisted it, Chief?
- Mimi Chan: If you could read, you'd know.
- Scooter Chan: I can read!
- Mimi Chan: I mean grown-up stuff like Nancy Drew.
- Scooter Chan: Those are girls' books.
- Mimi Chan: Well, if you read them, you'd know the younger son is always jealous of the older one because of the inheritance.
- Henry Chan: Where do you suppose the butler's gone, Stanley?
- Stanley Chan: I wouldn't know, I never buttled.
- Henry Chan: Oh, that's very...
- [looks at Stanley]
- Henry Chan: Just what are you supposed to be now?
- Stanley Chan: [in disguise] Can't you tell? I'm blending in. I'm a southern colonel, sir.
- Henry Chan: You're not a colonel, you're a full-grown nut! Now get out of that stupid disguise!
- Susie Chan: What'll we do?
- Tom Chan: Our initial project must be an attempt at entering the premises. A catapult would be useful to fire each of us over the wall.
- Anne Chan: [opens the gate] Hey, genius, how about just walking in?
- Tom Chan: Well... of course... that's another way.
- Nancy Chan: Yipe! L-L-L-Look!
- Flip Chan: It's only a raccoon.
- Scooter Chan: Boy, are you a scaredy-cat. You weren't a scaredy-cat, were you, Chu-Chu?
- Chu-Chu: Meow! Meow!
- [after Charlie Chan solved the case]
- Stanley Chan: Boy, that really was simple. How come I didn't figure it out?
- Henry Chan: Easy, 'cause your bag is disguising not detecting.
- Stanley Chan: Well, if he wants our help, he'll get it.
- Henry Chan: How do you know Craven stole the ring?
- Stanley Chan: Are you kidding? That butler disguise didn't fool me for one minute.
- Henry Chan: What do you mean disguise? He IS a butler.
- Stanley Chan: That's what I mean. The butler's always the one.
- Tom Chan: I still cannot comprehend the fact that a female was the culprit.
- Anne Chan: You wouldn't listen to me, would ya? I told you, a woman crook can be as good as a man crook any day.
- Charlie Chan: But if I may add one unhappy note... both kinds usually end up in the same place.
- Flip Chan: In the cooler!
- Scooter Chan: Right, Chief, in the cooler!