This is the first and only time Danny uses the Ghostly Wail without draining his energy and reverting to human form.
The name 'Danny Phantom' is said more often here than any other time in the series.
This is the series finale
This Was The Only Episode To Premiere In 2007 To Also Be Made In 2007 As The Other Episodes That Premiered In 2007 Were Made In 2006 According To The Credits