Yu-Gi-Oh Zexal II - 2013 was released on: USA: 17 August 2013
Yu-Gi-Oh Zexal - 2011 Playing Defense 2-84 was released on: USA: 26 October 2013
Yu-Gi-Oh Zexal - 2011 Counter Offensive Part 1 2-85 was released on: USA: 2 November 2013
Yu-Gi-Oh Zexal - 2011 Barian Invasion The Frightening Chaos Xyz Change 2-1 was released on: Japan: 7 October 2012 USA: 17 August 2013
This is the asker. I found a table that listed the exact release dates of every episode, minus the omakes and Wedding Peach DX. I added them to Wedding Peach's Wikipedia article.
Yu-Gi-Oh Zexal - 2011 Kite Plight Part I was released on: USA: 3 August 2013
Yu-Gi-Oh Zexal - 2011 Kite Plight Part II was released on: USA: 10 August 2013
Yu-Gi-Oh Zexal II - 2013 was released on: USA: 17 August 2013
Yu-Gi-Oh Zexal - 2011 Hard Knox was released on: USA: 31 August 2013
Plight of the Peregrines - 2009 was released on: USA: 26 April 2009
An Orphan's Plight - 1911 was released on: USA: 11 April 1911
A Sorry Plight - 1916 was released on: USA: 17 November 1916
Yu-Gi-Oh Zexal - 2011 Swimming with Sharks 2-9 was released on: USA: 2013
Yu-Gi-Oh Zexal - 2011 Test Your Luck 2-4 was released on: USA: 2013
Blue Bird's Plight - 1912 was released on: USA: 21 February 1912
Stage Plight - 1966 TV was released on: USA: 7 February 1966
Yu-Gi-Oh Zexal - 2011 Playing Defense 2-84 was released on: USA: 26 October 2013