No Gray Twilight - 2005 was released on: USA: 10 April 2005 (Chicago International Documentary Film Festival)
SuperNews - 2005 Twilight of the Vampires 3-3 was released on: USA: 19 November 2009
How It Should Have Ended - 2005 How Twilight Should Have Ended 1-22 was released on: USA: 18 November 2009
Twilight - 1914 was released on: USA: July 1914
They released the book Twilight in 2005 I'm not sure about the exact date, but that is the year it came out.
Twilight - Physics in the Twilight 1995 was released on: USA: 13 April 1995 (premiere)
In the Twilight - 1915 was released on: USA: 15 February 1915
Twilight - 1912 was released on: USA: 6 September 1912
Twilight - 1919 was released on: USA: 22 February 1919
Into the Twilight Haze - 2012 was released on: USA: 2012
I'm not quite sure, but you can find all the international release dates for the twilight movie at www.twilightthemovie.com
The Twilight People - 1972 was released on: USA: June 1972