Red vs- Blue The Blood Gulch Chronicles - 2003 Knock Knock- Who's There Pain- 1-11 was released on:
USA: May 2003
Knock Knock - 2013 was released on: USA: 30 December 2013
Knock Knock - 2008 was released on: USA: 19 April 2008 (Salem Film Festival)
Knock Knock - 1940 was released on: USA: 25 November 1940 Denmark: 30 November 1953
Knock- Knock- - 2007 was released on: USA: 12 October 2007 (Hell's Half Mile Film Festival)
The Knock Out - 1921 was released on: USA: October 1921
Knock Out - 1975 VG was released on: USA: 1975
Knock Out - 1998 TV was released on: USA: 1998
Knock Out - 1998 - TV was released on: USA: 1998
Love That Girl - 2010 Knock Knock You're Late was released on: USA: 14 March 2014
High Incident - 1996 Knock Knock 2-14 was released on: USA: 30 January 1997
Ray and Clovis - 2013 Knock Knock 1-2 was released on: USA: 15 August 2013
A Lucky Knock - 1909 was released on: USA: 30 December 1909