The character of Eric McNair is actually named after a real-life fan of the show, who asked the writing staff to do so in a Q&A in celebration of their 100th episode.
The last line of the show is, "Where no one knows my name". The camera is on the janitor and he was narrating the episode and no one knows his name.
Fifth episode not to have "My" in the title.
After being locked in the water tower by the Janitor J.D. is absent for the majority of the episode until the end.