Morningstar meaning Morgenstern as the fallen angel Lucifer. Morgenstern is the last name of Valentine.
"Morning Star" is a reference to the meaning of the German translation of Clary and Valentine's last names, "Morgenstern."
The boat that appears in this episode actually appears in the second book.
Clary says that Camille lives in the Alucard Apartments. Alucard is Dracula spelled backwards.
This episode is the last one in which the Shadowblades illuminate entirely while being used.