(Eric has just walked in on his parents having sex)
Eric: Okay, uh, we need to get to the hospital now.
Kelso: But what about your mom?
Eric (shouting): Don't you dare talk about my mother!

Fez: Mister Red, always remember: a mother's goodness is carried on forever by her sons.
(Marty starts crying.)
Red: Have you met my sister, Marty?

(Donna leaves after finding out that Eric kissed Laurie's friend, Kate)
Kelso: I guess Donna didn't take it very well.
Red: Take what well?
Kelso: Eric made out with Kate.
Red: Anything else?
Fez: Your son is a whore!

Eric: Didn't you just, like, flunk out of college?
Laurie: Get bent, twerp.
Eric: Wear a bra!

Kitty (to Eric): Foreplay is very important.
Red: Oh, no it's not.
Kitty (to Red): Yes, it is.

(after Jackie calls Eric stupid)
Hyde: Well, this is a first. I actually agree with Jackie.
Eric: What? You're saying that I'm stupid?
Hyde: Donna just put on the full court press, man, and you dropped the ball.
Eric: What are you talking about? All she said was she'd be alone on Saturday night with a pizza... Oh God, I'm so stupid.

Kitty: Well, the kids are off. I wonder where they went.
Red: Out of town.
Kitty: How do you know?
Red: I told them not to.

In ten minutes, there will be no more beer opportunities.

Hyde

Chrissy: See the establishment doesn't want us having sex because they know it makes us feel good, right? So if we can feel good on our own, what do we need the establishment for? So every time we have sex, it's a huge protest.
Hyde: You know what? I think I feel a huge protest coming on.

You mess with Eric Forman, you mess with me.

Eric

Give me a break, Forman. I don't have a mommy.

Hyde

Kelso: Laurie, what's going on? You're acting like you're liking me, and that's weird.
Laurie: It's like I told you Kelso, I'm bored.
Kelso: Well that's very flattering, but uh, you know, Jackie and I are back together.
Laurie: Oh. I understand. Do you wanna see my appendix scar?
Kelso: Once again, (looks at it) what's-her-name and I are back together!

That 70's Show Quotes

Eric: If my dad catches me copping beers he'll kill me.
Hyde: I'm willing to take that risk.

Kitty: Well, the kids are off. I wonder where they went.
Red: Out of town.
Kitty: How do you know?
Red: I told them not to.