The Slouch Hat. The slouch hat is an object strongly associated with Australian identity. Corporal Matthew Walshaw from 4th/3rd Royal New South Wales Regiment adjusts his slouch hat before moving off to form up at the Rocks in Sydney, NSW.
This is another episode when Brian's book was mentioned. Stewie's phone number is (401) 555-0183. 401 is the actual area code for the state of Rhode Island, where Family Guy is set. Afuera is Spanish for outside. Lois mentions animal rights group PETA when Brian is speaking to the Griffins about animals rights.
Stewie Kills Louis is the 100th episode of Family Guy and overall it's pretty good. It had its classic Family Guy moments, and a surprising twist ending. A few days before it aired, the creator of Family Guy (Seth MacFarlane) had announced that in the 100th episode of this popular show there would be a death.