* 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.