Family Guy, Season 4

Stewie:
[reads The Da Vinci Code] Oh, yes, just as I thought. France... art... murder?! Well, this is a bigger surprise than that time Peter vanished into thin air.

[cut to Peter playing Peek-a-boo with Stewie]

Peter:
Hey, Stewie. Peek-a-boo!

Stewie:
Yes, I see you, fat man.

Peter:
[gasps] Where's Daddy? [covers eyes]

Stewie:
What? [looks around] Where did you go?! Oh, this is impossible! I-I-I can hear you, but I can't see. Well, he must really be gone. [starts picking his nose]

Peter:
[removes hands from eyes] Peek-a-boo!

Stewie:
Ahh! How the hell did you do that?! Look, I thought you disappeared, otherwise I wouldn't have picked my- [Peter covers his eyes again] Oh, great. Leave when I'm right in the middle of a sentence.