Smosh - 2006 Harry Potter Deleted Scenes was released on: USA: 19 November 2010
ReelzChannel Spotlight - 2009 Harry Potter on Set was released on: USA: 13 November 2010
Creating the World of Harry Potter Part 4 Sound and Music - 2010 was released on: USA: 19 October 2010
Hollywood's Top Ten - 2010 Harry Potter Snape Sneers 1-159 was released on: USA: 18 November 2010
Hollywood's Top Ten - 2010 Harry Potter Mythical Creatures 1-156 was released on: USA: 15 November 2010
Hollywood's Top Ten - 2010 Harry Potter Spell Scenes 1-157 was released on: USA: 16 November 2010
ReelzChannel Spotlight - 2009 Harry Potter and the Deathly Hallows was released on: USA: 20 November 2010
Matt and Kory Show - 2010 Harry Potter VS Edward Cullen 1-3 was released on: USA: 7 June 2010
In November. From Wikipedia: "Part I is slated for release on 19 November 2010, and Part II on 15 July 2011." Dates might change; this has already happened in the case of Harry Potter 6.
That is because the movie for Harry Potter and the Deathly Hallows is in two parts, one releasing on the 19th of November, 2010 and the other on 15th July, 2011.
March 23 2010.
Stupid for Movies - 2010 Harry Potter Tangled The Next Three Days The King's Speech 1-36 was released on: USA: 17 November 2010