2marrow
Union Pacific - 1958 Supply Train was released on: USA: 21 March 1959
The Voice - 2011 Top 8 Results Completed 4-21 was released on: USA: 28 May 2013
America's Got Talent - 2006 Semifinals Week 1 Results 8-21 was released on: USA: 28 August 2013
America's Got Talent - 2006 Quarter Finals 4 Results 7-21 was released on: USA: 25 July 2012 Finland: 6 February 2014
Dancing with the Stars - 2005 I Round 5 Results 7-11 was released on: USA: 21 October 2008
So You Think You Can Dance - 2005 Top 18 Results 3-9 was released on: USA: 21 June 2007 Japan: 25 November 2007 Hungary: 21 July 2009
The Voice - 2011 The Live Rounds Part 2 Results 4-19 was released on: USA: 21 May 2013
Familiar Faces - 2009 Familiar Face-Off Killer Klowns vs- Killer Tomatoes Results 2-21 was released on: USA: 8 August 2010
American Idol The Search for a Superstar - 2002 Live Results Show One Contestant Eliminated 7-21 was released on: USA: 12 March 2008 Japan: 6 April 2008
July 21
Down syndrome results when cells receive three copies of chromosome 21.
21