Plot: The Griffins attend a Veteran's Day parade where, after listening to Herbert sing "God Bless the USA," Peter realizes he is proud of his American citizenship. He begins showing off his patriotism everywhere he goes, even going as far as buying a suit themed after the American flag. He also becomes frustrated with the presence of illegal immigrants, especially with the fact that they are taking away good jobs. Peter goes to great lengths to make Quahog immigrant-free, such as patrolling the town border and banning all non-American influences from his house (much to his family's chagrin). At the brewery, Peter convinces his supervisor to initiate an inspection, laying off any immigrants employed. After doing so, he goes to his mother Thelma's house for his birth certificate to prove hi