April 14, 2009
Episode 1 of Season 18 premiered on April 14, 2009
April 21, 2009
Episode 2 of Season 18 premiered on April 21, 2009
April 28, 2009
Episode 3 of Season 18 premiered on April 28, 2009
May 5, 2009
Episode 4 of Season 18 premiered on May 5, 2009
May 12, 2009
Episode 5 of Season 18 premiered on May 12, 2009
May 19, 2009
Episode 6 of Season 18 premiered on May 19, 2009
May 26, 2009
Episode 7 of Season 18 premiered on May 26, 2009
June 2, 2009
Episode 8 of Season 18 premiered on June 2, 2009
June 9, 2009
Episode 9 of Season 18 premiered on June 9, 2009
June 16, 2009
Episode 10 of Season 18 premiered on June 16, 2009
June 23, 2009
Episode 11 of Season 18 premiered on June 23, 2009
June 30, 2009
Episode 12 of Season 18 premiered on June 30, 2009
July 7, 2009
Episode 13 of Season 18 premiered on July 7, 2009
July 14, 2009
Episode 14 of Season 18 premiered on July 14, 2009
July 21, 2009
Episode 15 of Season 18 premiered on July 21, 2009
July 28, 2009
Episode 16 of Season 18 premiered on July 28, 2009
August 4, 2009
Episode 17 of Season 18 premiered on August 4, 2009
August 11, 2009
Episode 18 of Season 18 premiered on August 11, 2009
August 18, 2009
Episode 19 of Season 18 premiered on August 18, 2009
August 25, 2009
Episode 20 of Season 18 premiered on August 25, 2009
September 1, 2009
Episode 21 of Season 18 premiered on September 1, 2009
September 8, 2009
Episode 22 of Season 18 premiered on September 8, 2009
September 15, 2009
Episode 23 of Season 18 premiered on September 15, 2009
September 22, 2009
Episode 24 of Season 18 premiered on September 22, 2009
September 29, 2009
Episode 25 of Season 18 premiered on September 29, 2009
October 6, 2009
Episode 26 of Season 18 premiered on October 6, 2009
October 13, 2009
Episode 27 of Season 18 premiered on October 13, 2009
October 20, 2009
Episode 28 of Season 18 premiered on October 20, 2009
October 27, 2009
Episode 29 of Season 18 premiered on October 27, 2009
November 3, 2009
Episode 30 of Season 18 premiered on November 3, 2009
November 10, 2009
Episode 31 of Season 18 premiered on November 10, 2009
November 17, 2009
Episode 32 of Season 18 premiered on November 17, 2009
November 24, 2009
Episode 33 of Season 18 premiered on November 24, 2009
December 1, 2009
Episode 34 of Season 18 premiered on December 1, 2009
December 8, 2009
Episode 35 of Season 18 premiered on December 8, 2009
December 15, 2009
Episode 36 of Season 18 premiered on December 15, 2009
December 22, 2009
Episode 37 of Season 18 premiered on December 22, 2009