August 12, 2012
Episode 1 of Season 12 premiered on August 12, 2012
August 19, 2012
Episode 2 of Season 12 premiered on August 19, 2012
August 26, 2012
Episode 3 of Season 12 premiered on August 26, 2012
September 2, 2012
Episode 4 of Season 12 premiered on September 2, 2012
September 9, 2012
Episode 5 of Season 12 premiered on September 9, 2012
September 16, 2012
Episode 6 of Season 12 premiered on September 16, 2012
September 23, 2012
Episode 7 of Season 12 premiered on September 23, 2012
September 30, 2012
Episode 8 of Season 12 premiered on September 30, 2012
October 7, 2012
Episode 9 of Season 12 premiered on October 7, 2012
October 14, 2012
Episode 10 of Season 12 premiered on October 14, 2012
October 21, 2012
Episode 11 of Season 12 premiered on October 21, 2012
October 28, 2012
Episode 12 of Season 12 premiered on October 28, 2012
November 4, 2012
Episode 13 of Season 12 premiered on November 4, 2012
November 11, 2012
Episode 14 of Season 12 premiered on November 11, 2012
November 18, 2012
Episode 15 of Season 12 premiered on November 18, 2012
November 25, 2012
Episode 16 of Season 12 premiered on November 25, 2012
December 2, 2012
Episode 17 of Season 12 premiered on December 2, 2012
December 9, 2012
Episode 18 of Season 12 premiered on December 9, 2012
December 16, 2012
Episode 19 of Season 12 premiered on December 16, 2012
December 23, 2012
Episode 20 of Season 12 premiered on December 23, 2012
January 13, 2013
Episode 21 of Season 12 premiered on January 13, 2013
January 20, 2013
Episode 22 of Season 12 premiered on January 20, 2013
January 27, 2013
Episode 23 of Season 12 premiered on January 27, 2013
February 3, 2013
Episode 24 of Season 12 premiered on February 3, 2013
February 10, 2013
Episode 25 of Season 12 premiered on February 10, 2013
February 17, 2013
Episode 26 of Season 12 premiered on February 17, 2013
February 24, 2013
Episode 27 of Season 12 premiered on February 24, 2013
March 3, 2013
Episode 28 of Season 12 premiered on March 3, 2013
March 10, 2013
Episode 29 of Season 12 premiered on March 10, 2013
March 17, 2013
Episode 30 of Season 12 premiered on March 17, 2013
March 24, 2013
Episode 31 of Season 12 premiered on March 24, 2013
March 31, 2013
Episode 32 of Season 12 premiered on March 31, 2013
April 7, 2013
Episode 33 of Season 12 premiered on April 7, 2013
April 14, 2013
Episode 34 of Season 12 premiered on April 14, 2013
April 21, 2013
Episode 35 of Season 12 premiered on April 21, 2013
April 28, 2013
Episode 36 of Season 12 premiered on April 28, 2013
May 5, 2013
Episode 37 of Season 12 premiered on May 5, 2013
May 12, 2013
Episode 38 of Season 12 premiered on May 12, 2013
May 19, 2013
Episode 39 of Season 12 premiered on May 19, 2013
May 26, 2013
Episode 40 of Season 12 premiered on May 26, 2013