The first 3 seasons of Merlin are already out in the US, you can buy them on amazon. The 4th season has only just come out on TV since October, so a release date for the DVD version has not been given yet.
No
BBC
I don't think that BBC DVDs officially ever realease outside the UK but you can try BBC ONLINE SHOP and see whether they can deliver . http://www.bbcshop.com/invt/cctv30653 Thanks
There is , as of 4/3/2011 , no scheduled US release date .
Fanboys was released May 19, 2009 on DVD in the US.
Season 3 will be released on DVD August 18th 2009
The DVD was released on March 31, 2009 in the US. May 4, 2009 in the UK.
The US DVD was released on February 8, 2011.
The third season of Merlin ended in the UK on the 4th of December, 2010, and was comprised of 13 episodes. The date of the US finale has not yet been released.
It is scheduled to be released on 17 Dec 2013 in the US.
April 28 2008
Harry Potter and the Deathly Hallows Parts 1 & 2 has already been released on DVD in the US.