March 21, 2011
Episode 1 of Season 4 premiered on March 21, 2011
March 28, 2011
Episode 2 of Season 4 premiered on March 28, 2011
April 4, 2011
Episode 3 of Season 4 premiered on April 4, 2011
April 11, 2011
Episode 4 of Season 4 premiered on April 11, 2011
April 18, 2011
Episode 5 of Season 4 premiered on April 18, 2011
April 25, 2011
Episode 6 of Season 4 premiered on April 25, 2011
May 2, 2011
Episode 7 of Season 4 premiered on May 2, 2011
May 9, 2011
Episode 8 of Season 4 premiered on May 9, 2011
May 16, 2011
Episode 9 of Season 4 premiered on May 16, 2011
May 23, 2011
Episode 10 of Season 4 premiered on May 23, 2011
May 30, 2011
Episode 11 of Season 4 premiered on May 30, 2011
June 6, 2011
Episode 12 of Season 4 premiered on June 6, 2011
June 13, 2011
Episode 13 of Season 4 premiered on June 13, 2011