What are the release dates for Eureka - 2006 The Real Thing - 5.2?

What are the release dates for Eureka - 2006 The Real Thing - 5.2?
Eureka - 2006 The Real Thing - 5.2 was released on:

USA: 23 April 2012
Belgium: 10 October 2012 (limited)
Netherlands: 10 October 2012 (limited)
Japan: 10 May 2013 (DVD premiere)