March 22, 2011
Episode 1 of Season 4 premiered on March 22, 2011
April 5, 2011
Episode 2 of Season 4 premiered on April 5, 2011
April 19, 2011
Episode 3 of Season 4 premiered on April 19, 2011
May 17, 2011
Episode 4 of Season 4 premiered on May 17, 2011
June 6, 2011
Episode 5 of Season 4 premiered on June 6, 2011
June 23, 2011
Episode 6 of Season 4 premiered on June 23, 2011
July 13, 2011
Episode 7 of Season 4 premiered on July 13, 2011
October 3, 2011
Episode 8 of Season 4 premiered on October 3, 2011
November 3, 2011
Episode 9 of Season 4 premiered on November 3, 2011
December 8, 2011
Episode 10 of Season 4 premiered on December 8, 2011
July 10, 2012
Episode 11 of Season 4 premiered on July 10, 2012