Dinner for Four / Phoebe Skips - S4-E5
Rhonda: She asked you to do WHAT to my Caprini cardigan?
Lila: Snip the tags out?
[Helga grabs Lila].
Helga: Lila, what are you doing? You're not supposed to ask her!
Lila: I just didn't feel right about destroying Rhonda's personal property... without getting her permission first. It seemed, well, ever so wrong.
Helga: Yeah, well, guess what? You're ever so FIRED!
The Beeper Queen / Oskar Can't Read? - S4-E4
Oskar: Kitty, kitty, kitty. Do you want to pet the kitty? Yes, I want to pet the kitty. Pet, pet, pet. Look everybody, I'm petting the kitty.
Dinner for Four / Phoebe Skips - S4-E5
Helga: I can't believe I told them the truth, and I wound up washing dishes.
Arnold: Come on, don't you feel better that you did the right thing?
Helga: No, not really.
Arnold: I think you do.
Helga: No, I don't, Arnold.
Arnold: You know Helga, I think what you did is pretty sophisticated.
Helga: Really?
Arnold: Yeah.
[Arnold sprays Helga with water and winks at her].
Helga: Oh, just shut up and rinse.
Weird Cousin / Baby Oskar - S4-E11
Suzie: You expect everyone else to take care of you.
Oskar: Oh come on, I don't expect everyone else to take care of me, just you.
Suzie: Oh, Oskar!
Answer: The show is based in present day times. Plus most cars aren't old fashtioned, I recall seeing a limo and not to mention a cherry picker, etc.