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