These are background lines from Season 4.
Jeremy: Oh, hang on, Coltrane, there's a fly in here. Lemme get it.
Buford: Whoop! Wrong one! Not that one!
Phineas: Ferb and I think it's cool, too.
Linda: Alright, alright, al... excuse me!
Doofenshmirtz: You're squandering, Norm!
Phineas: Way to floss, Ferb. Who knew fighting plaque could be so much fun?
Candace: I told them that was, like, the last thing I want to do today, but it turns out I was wrong.
Baljeet: Man, that kid can wade!
Baljeet: The waggle explains the angle to the destination in relations to the imaginary line between the sun and the door of the hive.
Doofenshmirtz: That's right. You're trapped. Sit down.
Doofenshmirtz: Buffet number two is history!
Liam: You and your hat are gonna make a fine addition to my trophy room.
Liam: The sign must've just been installed, I've never seen it before.
Doofenshmirtz: Well, hello, Perry the Platypus. You like the new Bi-plane?
Doofenshmirtz: Why don't you say, "Oh look a rocket scientist." Or a veterinarian?
Isabella: No, Buford, wait!
Doofenshmirtz: Struggle all you want, Perry the Platypus, you're not getting out of that!
Doofenshmirtz: I should update my evil blog on the L.O.V.E.M.U.F.F.I.N. site!
Baljeet: I was just about to.
Iron Man: It's really important to make sure you start with the base level.
Phineas: Oh, sure.
Doofenshmirtz: Oh, "thwart"! Yeah, it makes more sense.
Buford: Yeah? Well get with it.
Doofenshmirtz: You just gotta walk up to her and say something smooth.
Norm: Commencing stuff strutting.
Doofenshmirtz: The Tri-State Area's about to confront its fears!
Doofenshmirtz: No! No! Not that! Anything but the fake red licorice!
Candace: No prob, Mom, Take your time.
Doofenshmirtz: Stop it! My eye! My eye!
Buford: You're visualizing numbers in the air again, aren't you?
Ginger: Little being subjective.
Doofenshmirtz: It's like you don't even know me!
Doofenshmirtz: And now that my super dad status is intact, it's time to take care of business! And by business, I mean evil.
Candace: Oh, the moon was behind the clouds, so you're not evil. But now Mr. Miggins is!!
Doofenshmirtz: Just walk away, Perry the Platypus! Oh, you're giving me the smirk face! Nice, fine!
Doofenshmirtz: Get away get away get away!!!
Doofenshmirtz: Don't throw that! That's imitatable.
Max Modem: But I didn't have poached eggs with salmon! Ha ha!
Doofenshmirtz: That's right. Regular old science. No evil at all.
Vanessa: Somebody help me!
Vanessa: This is why we broke up!
Nana Shapiro: I mean, he would've laughed at me or shown the letter to his friends. Can you imagine the embarrassment?
Norm: Time to unmake the coffee.
Buford: Hey! Dinner bell! Where do you want this crate of hoojimagawas?
Phineas: Right there is good, Buford.
Baljeet: How about these helicopter blades?
Phineas: Just lean 'em up against the tree for now.
Baljeet: Ten-four, good buddy.
Buford: Why do you sound like you're in a 1970s road comedy?
Buford: Oh, I missed it.
Isabella: Heads up. More random construction equipment for an as-yet-unidentified project comin' in!
Candace-2: You villain! You turned my brother into a cyborg!
Denise: Stop telling people you're them from the future!
Doofenshmirtz: And who do I make this out to?
Man #5: Uncle Phil.
Doofenshmirtz: "To Uncle Phil, I'm wishing you the worst."
Rodney: (offscreen) Okay, tell me you didn't hear that!
Dr. Diminutive: (offscreen) Still the building settling.
Rodney: (offscreen) So our building has a sudden urge to warn Carl?
Candace: Candace is in the attic!
Phineas: Now we're talking!
Norm: Well, my hands are metal.
Mrs. Feyersied: No! No! No! Get away! Aaah!
Vanessa: Phineas, we can't hold them much longer!
Ferb: No. He's on his way to Mos Eisley.
Darthenshmirtz: Eh, y'know, plus, if it works, you can join me on the Dark Side.
Phineas: I know what we're gonna do today!
Doofenshmirtz: Knowing my talent has served my fellow agents is thanks enough.