When Greene and Corday are discussing the baby, Corday mentions that she can't stop thinking about the movie "Alien." Greene then calls the baby Amanda, and tells her to stop scaring her mom; Amanda is also the name of Ellen Ripley's (protagonist of the movie Alien) daughter.
The first of two episodes where the same morose song plays whenever Dr. Kovac is in a scene, referencing his memories of the death of his family.
When Dr.Benton is looking through the records of applications the woman tells him where to find the 2004s. This episode was filmed in 2001. However she says "2000 forward, on the right"