Lois, Peter and others in “Sibling Rivalry”

Lois

[taking a pregnancy test] Okay, 1 more minute, and then if there are two pink lines...

Peter

Oh God, I hope you're not pregnant. We can't afford another kid. We already got Chris, Stewie, Richie, Joanie, Greg, Marsha, Bobby, Jan, Mike Seaver, Carol Seaver, Boner, Urkel, Mr. Furley...

Peter, those aren't your kids. That's the Nick at Nite lineup.

Peter

Blanka, Zangief, Chun-Li, Guile, E. Honda...

That's Street Fighter.

Peter

Red, blue, green...

Those are colors.