Yes, Sister Wives was on the air in 2013.
New episodes of Sister Wives will start airing in May 2013.
Sister Wives - 2010 Sister Wives Tell All was released on: USA: 22 September 2013
October
The Real - 2013 Kody Brown and His Wives from Sister Wives 1-3 is rated/received certificates of: USA:TV-PG
Sister Wives - 2010 Polygamy Questions Answered - 6.7 was released on: USA: September 2013
Sister Wives - 2010 Christmas Surprise was released on: USA: 18 August 2013
Sister Wives - 2010 A Wife Decides was released on: USA: 8 September 2013
Sister Wives - 2010 Four Lives of Kody's Wives 6-2 was released on: USA: July 2013
Army Wives Season Seven aired from March 10th 2013 to the series finale on June 09th 2013.
Yes. Filming for Season 4 is currently underway.
Sister Wives - 2010 Mother-in-Law Invasion was released on: USA: 29 December 2013
Sister Wives - 2010 Picking Up the Pieces was released on: USA: 21 July 2013