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.
In PTV, he has a trouser malfunction at the Primetime Emmy Awards that results in intensive censoring of television by the FCC. In The Family Guy 100th Episode Special one of the people interviewed by Seth MacFarlane thought Pierce does the voice of Stewie Griffin. MacFarlane, Stewie's true voice actor, confirmed to her that Pierce does his voice so that Pierce would be thought down upon by the woman, instead of himself.