January 15, 2011
Episode 1 of Season 12 premiered on January 15, 2011
January 22, 2011
Episode 2 of Season 12 premiered on January 22, 2011
January 29, 2011
Episode 3 of Season 12 premiered on January 29, 2011
February 5, 2011
Episode 4 of Season 12 premiered on February 5, 2011
February 12, 2011
Episode 5 of Season 12 premiered on February 12, 2011
February 19, 2011
Episode 6 of Season 12 premiered on February 19, 2011
February 26, 2011
Episode 7 of Season 12 premiered on February 26, 2011
March 5, 2011
Episode 8 of Season 12 premiered on March 5, 2011
March 12, 2011
Episode 9 of Season 12 premiered on March 12, 2011
March 19, 2011
Episode 10 of Season 12 premiered on March 19, 2011
March 26, 2011
Episode 11 of Season 12 premiered on March 26, 2011
April 2, 2011
Episode 12 of Season 12 premiered on April 2, 2011
April 9, 2011
Episode 13 of Season 12 premiered on April 9, 2011
April 16, 2011
Episode 14 of Season 12 premiered on April 16, 2011
April 23, 2011
Episode 15 of Season 12 premiered on April 23, 2011
April 30, 2011
Episode 16 of Season 12 premiered on April 30, 2011
May 7, 2011
Episode 17 of Season 12 premiered on May 7, 2011
May 14, 2011
Episode 18 of Season 12 premiered on May 14, 2011
May 21, 2011
Episode 19 of Season 12 premiered on May 21, 2011
May 28, 2011
Episode 20 of Season 12 premiered on May 28, 2011
June 4, 2011
Episode 21 of Season 12 premiered on June 4, 2011
June 11, 2011
Episode 22 of Season 12 premiered on June 11, 2011
June 18, 2011
Episode 23 of Season 12 premiered on June 18, 2011
June 25, 2011
Episode 24 of Season 12 premiered on June 25, 2011
July 2, 2011
Episode 25 of Season 12 premiered on July 2, 2011
July 9, 2011
Episode 26 of Season 12 premiered on July 9, 2011
July 16, 2011
Episode 27 of Season 12 premiered on July 16, 2011
September 17, 2011
Episode 28 of Season 12 premiered on September 17, 2011
September 24, 2011
Episode 29 of Season 12 premiered on September 24, 2011
October 1, 2011
Episode 30 of Season 12 premiered on October 1, 2011
October 8, 2011
Episode 31 of Season 12 premiered on October 8, 2011
October 15, 2011
Episode 32 of Season 12 premiered on October 15, 2011
October 22, 2011
Episode 33 of Season 12 premiered on October 22, 2011
October 29, 2011
Episode 34 of Season 12 premiered on October 29, 2011
November 5, 2011
Episode 35 of Season 12 premiered on November 5, 2011
November 12, 2011
Episode 36 of Season 12 premiered on November 12, 2011
November 19, 2011
Episode 37 of Season 12 premiered on November 19, 2011
November 26, 2011
Episode 38 of Season 12 premiered on November 26, 2011
December 3, 2011
Episode 39 of Season 12 premiered on December 3, 2011
December 10, 2011
Episode 40 of Season 12 premiered on December 10, 2011
December 17, 2011
Episode 41 of Season 12 premiered on December 17, 2011