Hayley has no lines in this episode, but is briefly seen in the mirror as part of a surrealist play about Abraham Lincoln.
The song that the guard sings to check if the attendees are gay was "The Trolley" by Judy Garland from the film Meet Me in St. Louis.
When the dance starts at the Log Cabin Republicans meeting "My Heart Will Go On" by Celine Dion starts to play.
Steve says "Lincoln has been assassinated in the the theater twice", a nod to the assassination of Abraham Lincoln by John Wilkes Booth, and the poor play they saw.
The restaurant to which Stan takes Terry on their date is named "Eleven" which, when written numerically (11), is a reference to the fact that it's two men on a date.
When Terry and Greg drive to the dock, their license plates read PITCHR and CATCHR.
Stan reveals that he did not know Greg and Terry were gay.
The Log Cabin Republicans are a real political organization.
The conservative Republican speaker is kicked out because she owns a Toyota Prius, a car often associated with liberals.
Terry finds out that Greg is a Republican even though they have been together for years.
While it is true that Lincoln was the first Republican to win the Presidency, he was by no means the founder of the party. Furthermore, Lincoln wasn't even the first Republican candidate for President; John C Fremont unsuccessfully ran for President under the Republican party in the 1856.
During the episode, someone asks Stan the question "who is the only person to win an Oscar, an Emmy and a Tony in the same year", to which Stan answered "the guy from Monk" (Tony Shalhoub). The real answer is Bob Fosse.
This episode was nominated for a GLAAD award for Outstanding Individual Episode