July 4, 2011
Episode 1 of Season 4 premiered on July 4, 2011
August 26, 2011
Episode 2 of Season 4 premiered on August 26, 2011
September 2, 2011
Episode 3 of Season 4 premiered on September 2, 2011
September 9, 2011
Episode 4 of Season 4 premiered on September 9, 2011
September 16, 2011
Episode 5 of Season 4 premiered on September 16, 2011
September 23, 2011
Episode 6 of Season 4 premiered on September 23, 2011
September 30, 2011
Episode 7 of Season 4 premiered on September 30, 2011
October 7, 2011
Episode 8 of Season 4 premiered on October 7, 2011
October 14, 2011
Episode 9 of Season 4 premiered on October 14, 2011
October 22, 2011
Episode 10 of Season 4 premiered on October 22, 2011
November 18, 2011
Episode 11 of Season 4 premiered on November 18, 2011
November 25, 2011
Episode 12 of Season 4 premiered on November 25, 2011
December 2, 2011
Episode 13 of Season 4 premiered on December 2, 2011
December 9, 2011
Episode 14 of Season 4 premiered on December 9, 2011
December 16, 2011
Episode 15 of Season 4 premiered on December 16, 2011
January 13, 2012
Episode 16 of Season 4 premiered on January 13, 2012
January 20, 2012
Episode 17 of Season 4 premiered on January 20, 2012
January 27, 2012
Episode 18 of Season 4 premiered on January 27, 2012
February 10, 2012
Episode 19 of Season 4 premiered on February 10, 2012
February 17, 2012
Episode 20 of Season 4 premiered on February 17, 2012
February 24, 2012
Episode 21 of Season 4 premiered on February 24, 2012
March 2, 2012
Episode 22 of Season 4 premiered on March 2, 2012
March 16, 2012
Episode 23 of Season 4 premiered on March 16, 2012
March 23, 2012
Episode 24 of Season 4 premiered on March 23, 2012
March 30, 2012
Episode 25 of Season 4 premiered on March 30, 2012
April 13, 2012
Episode 26 of Season 4 premiered on April 13, 2012
April 20, 2012
Episode 27 of Season 4 premiered on April 20, 2012
April 27, 2012
Episode 28 of Season 4 premiered on April 27, 2012
May 4, 2012
Episode 29 of Season 4 premiered on May 4, 2012
May 11, 2012
Episode 30 of Season 4 premiered on May 11, 2012
May 18, 2012
Episode 31 of Season 4 premiered on May 18, 2012
June 1, 2012
Episode 32 of Season 4 premiered on June 1, 2012