“- Kevin Griswold: What the hell is that?
- Rusty Griswold: That's a 2015 Tartan Prancer. It's the Honda of Albania. Let's hit the road!”

Steele Stebbins - Kevin Griswold
Ed Helms - Rusty Griswold

“- Mrs. Pascal: Oh my God, I sounded just like a mother! Didn't I sound just like a mother?
- Marty Pascal: You are a mother.
- Mrs. Pascal: I know, but I still can't believe it. I look at you people and wonder, how did you ever fit in my womb?”
Geneviève Bujold - Mrs. Pascal
Josh Hamilton - Marty Pascal

“- Ed: I wonder how they get the wienie into the corny exterior?
- Monique: A question that has plagued mankind for centuries.”

Kel Mitchell - Ed
Shar Jackson - Monique

“Henry is gone and the rest of us are safe. But sometimes, late at night, I find myself thinking - not about Henry, but about Susan - and wondering, if she had it to do over, would she make the same choice? I guess I'll always wonder. But I know I'll never ask.”

Elijah Wood - Mark

“That dirty little pig! He's watching Nora getting undressed... I wonder if he'd let me come over.”

Jonathan Silverman - Eugene Morris Jerome