Because of the obvious parallels to the Holocaust during World War II, Efrem Zimbalist Jr. had difficulty saying the phrase "telepath problem", which is why he paused while saying it. Even though he was an Episcopalian, his parents had him baptized in the faith when he was very young, they were in fact of Romanian Jewish ancestry.
This takes place from October 17 to October 22, 2261.
The song playing as Sheridan walks into the bar is highly reminiscent of the song "I Can Hardly Wait", as sung by Juliette Lewis in the film Strange Days (1995).
Wade refers to telepaths as "homo superior." In Marvel Comics, mutants are also known as homo superior. In both cases, homo superior were created by aliens tampering with human genetics.
Harlan Ellison: Famed science fiction writer Harlan Ellison, who served as a conceptual consultant on most episodes in the series, appears on screen in this episode as a Psi Corps cop.