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