Gerald stays in the Joseph and Amy Cigliano Recovery Wing in the hospital. Joseph Cigliano was the key costumer for the Monk series.
In the scene at the abandoned hotel, the camera pans up to the window where the homeless man is hiding and it scans across graffiti written in Arabic that reads "Death to Israel."
When Captain Stottlemeyer is talking to his wife about their marriage, he says, "You used to tie my neckties." This is a callback to the pilot, where Monk deduces that Leland and Karen were having difficulties because (in part) "...your necktie - she always ties it for you." She uses that double-slip knot.