Allison and Lydia's hotel room is number 217. This room number is infamous in The Shining. It is also the room where Allison's great uncle Alexander committed suicide for the same reason as Allison's mom while wearing the necklace Allison later inherited from her aunt Kate.
A "bottle episode" used to save money by using one location and only the main cast.
First episode of the series to have a viewer warning at the beginning because of the suicidal content.
Ian Bohen said in the nine year reunion that this was his favorite episode.