- Peter, Joe and Quagmire imitate The Spirit of '76 painting by Archibald Willard.
- At the Tea Party rally, Peter can be heard yelling "We are Marshall!", the rallying cry for Marshall University after several members of its football team and coaches were killed in a plane crash and a film of the same name.
- A mescaline-induced Chris with Dr. Gonzo driving to Vegas is a reference to Fear and Loathing in Las Vegas.
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