According to Jim - 2001 Slumber Party - 2.16 was released on:
USA: 4 February 2003
Slumber Party Massacre III - 1990 was released on: USA: 7 September 1990
Catscratch - 2005 Slumber Party Off the Leash was released on: USA: 29 July 2005
Diff'rent Strokes - 1978 The Slumber Party 2-21 was released on: USA: 12 March 1980
Tiny Toon Adventures - 1990 The Horror of Slumber Party Mountain 3-15 was released on: USA: 12 November 1992
Smallville - 2001 Slumber 3-4 was released on: USA: 22 October 2003 Sweden: 7 March 2004 Germany: 20 November 2004 Japan: 27 December 2006
According to Jim - 2001 Slumber Party 2-16 was released on: USA: 4 February 2003
Slumber Party - 1989 was released on: USA: 1989
Slumber Party - 2012 I was released on: USA: 10 October 2012 (Shriekfest Film Festival)
Martha Speaks - 2008 Martha's Slumber Party of the Weird Return to Martha's Slumber Party was released on: USA: 10 February 2010
Slumber Party Massacre III - 1990 was released on: USA: 7 September 1990
Bloody Slumber Party - 2014 was released on: USA: 2014 (New York City Horror Film Festival)
Instacurity - 2013 The Slumber Party 1-7 was released on: USA: 31 May 2013
Supernatural - 2005 Slumber Party 9-4 was released on: USA: 29 October 2013
JustKiddingFilms - 2007 Slumber Party 5-25 was released on: USA: 29 May 2011
Scary Story Slumber Party - 2012 was released on: USA: 17 April 2012 (DVD premiere)
Slumber Party Slaughterhouse The Game - 2008 VG was released on: USA: 28 October 2008
Catscratch - 2005 Slumber Party Off the Leash was released on: USA: 29 July 2005