January 27, 2012
Episode 1 of Season 18 premiered on January 27, 2012
February 10, 2012
Episode 2 of Season 18 premiered on February 10, 2012
March 2, 2012
Episode 3 of Season 18 premiered on March 2, 2012
March 16, 2012
Episode 4 of Season 18 premiered on March 16, 2012
March 30, 2012
Episode 5 of Season 18 premiered on March 30, 2012
April 13, 2012
Episode 6 of Season 18 premiered on April 13, 2012
April 27, 2012
Episode 7 of Season 18 premiered on April 27, 2012
May 11, 2012
Episode 8 of Season 18 premiered on May 11, 2012
May 25, 2012
Episode 9 of Season 18 premiered on May 25, 2012
June 8, 2012
Episode 10 of Season 18 premiered on June 8, 2012
September 14, 2012
Episode 11 of Season 18 premiered on September 14, 2012
October 12, 2012
Episode 12 of Season 18 premiered on October 12, 2012
November 23, 2012
Episode 13 of Season 18 premiered on November 23, 2012
December 7, 2012
Episode 14 of Season 18 premiered on December 7, 2012