S6E4: Stewie Kills Lois
Here you go, Stewie. Finish your oatmeal,
and then I'll get you ready for our Mommy and Me class.
You know, Meg has really flourished since Lois was murdered.
What are you talking about? Lois' death was an accident.
Which is just what someone who pulled off the perfect murder would want you to think.
What the hell are you... Stewie, did you...