Name the region 1 episode number 13
DVD Name Ep # Region 1 Region 2 (Scandinavia) Region 2 (UK) Region 4 Special features
text real text text text text text
1-171320-3
The Fourth Season 34 April 15, 2008 March 11, 2009 March 22, 2010 April 2, 2009 None
The Fifth Season (Volume One) 19 February 10, 2009 N/A N/A N/A None
The Fifth Season (Volume Two) 15 November 24, 2009 N/A N/A N/A None
The Complete Fifth Season 34 N/A March 24, 2010 June 21, 2010 April 1, 2010 None
The Sixth Season (Volume One) 13 May 3, 2011 N/A N/A N/A None
The Sixth Season (Volume Two) 14 July 19, 2011 N/A N/A N/A None
The Seventh Season (Volume One) 18 July 31, 2012 N/A N/A N/A None
table_171320_3
SELECT Region 1 FROM table WHERE Ep # = 13
13