September 7, 2011
Episode 1 of Season 4 premiered on September 7, 2011
September 14, 2011
Episode 2 of Season 4 premiered on September 14, 2011
September 21, 2011
Episode 3 of Season 4 premiered on September 21, 2011
September 26, 2011
Episode 4 of Season 4 premiered on September 26, 2011
October 3, 2011
Episode 5 of Season 4 premiered on October 3, 2011
October 10, 2011
Episode 6 of Season 4 premiered on October 10, 2011
October 10, 2011
Episode 7 of Season 4 premiered on October 10, 2011
October 17, 2011
Episode 8 of Season 4 premiered on October 17, 2011
October 17, 2011
Episode 9 of Season 4 premiered on October 17, 2011
October 24, 2011
Episode 10 of Season 4 premiered on October 24, 2011
October 24, 2011
Episode 11 of Season 4 premiered on October 24, 2011
October 31, 2011
Episode 12 of Season 4 premiered on October 31, 2011
October 31, 2011
Episode 13 of Season 4 premiered on October 31, 2011
January 9, 2012
Episode 14 of Season 4 premiered on January 9, 2012
January 16, 2012
Episode 15 of Season 4 premiered on January 16, 2012
January 25, 2012
Episode 16 of Season 4 premiered on January 25, 2012
February 1, 2012
Episode 17 of Season 4 premiered on February 1, 2012
February 8, 2012
Episode 18 of Season 4 premiered on February 8, 2012
February 15, 2012
Episode 19 of Season 4 premiered on February 15, 2012
March 12, 2012
Episode 20 of Season 4 premiered on March 12, 2012
March 19, 2012
Episode 21 of Season 4 premiered on March 19, 2012
April 25, 2012
Episode 22 of Season 4 premiered on April 25, 2012
April 25, 2012
Episode 23 of Season 4 premiered on April 25, 2012
May 16, 2012
Episode 24 of Season 4 premiered on May 16, 2012
May 23, 2012
Episode 25 of Season 4 premiered on May 23, 2012
May 30, 2012
Episode 26 of Season 4 premiered on May 30, 2012
May 30, 2012
Episode 27 of Season 4 premiered on May 30, 2012
June 6, 2012
Episode 28 of Season 4 premiered on June 6, 2012
June 6, 2012
Episode 29 of Season 4 premiered on June 6, 2012
June 13, 2012
Episode 30 of Season 4 premiered on June 13, 2012
June 13, 2012
Episode 31 of Season 4 premiered on June 13, 2012
June 20, 2012
Episode 32 of Season 4 premiered on June 20, 2012
June 27, 2012
Episode 33 of Season 4 premiered on June 27, 2012
July 4, 2012
Episode 34 of Season 4 premiered on July 4, 2012
July 4, 2012
Episode 35 of Season 4 premiered on July 4, 2012
July 11, 2012
Episode 36 of Season 4 premiered on July 11, 2012