January 14, 2012
Episode 1 of Season 4 premiered on January 14, 2012
February 4, 2012
Episode 2 of Season 4 premiered on February 4, 2012
February 18, 2012
Episode 3 of Season 4 premiered on February 18, 2012
February 27, 2012
Episode 4 of Season 4 premiered on February 27, 2012
March 3, 2012
Episode 5 of Season 4 premiered on March 3, 2012
March 17, 2012
Episode 6 of Season 4 premiered on March 17, 2012
March 24, 2012
Episode 7 of Season 4 premiered on March 24, 2012
March 31, 2012
Episode 8 of Season 4 premiered on March 31, 2012
April 6, 2012
Episode 9 of Season 4 premiered on April 6, 2012
April 7, 2012
Episode 10 of Season 4 premiered on April 7, 2012
April 8, 2012
Episode 11 of Season 4 premiered on April 8, 2012
April 9, 2012
Episode 12 of Season 4 premiered on April 9, 2012
May 27, 2012
Episode 13 of Season 4 premiered on May 27, 2012
May 28, 2012
Episode 14 of Season 4 premiered on May 28, 2012
October 27, 2012
Episode 15 of Season 4 premiered on October 27, 2012
November 3, 2012
Episode 16 of Season 4 premiered on November 3, 2012
November 10, 2012
Episode 17 of Season 4 premiered on November 10, 2012
November 17, 2012
Episode 18 of Season 4 premiered on November 17, 2012
November 24, 2012
Episode 19 of Season 4 premiered on November 24, 2012
December 8, 2012
Episode 20 of Season 4 premiered on December 8, 2012