In the final scene, a door in the hospital behind the main characters closes, revealing the number 65. This was a nod to the 65 original episodes that aired, with The Tale of the Night Shift slated as the finale, #65.
Syndicated to be the finale of the fifth season.
Jack calls Felix Zeebo when asking if he signed the chart (rather than "Bozo"), a reference to the clown from "The Tale of Laughing in the Dark". Sam was the first storyteller to make one of these references to him without having been around to hear his story.
Sam's last story.
Elisha Cuthbert who portrayed The Young Girl, came to the series revival as The Midnight Society member Megan.