September 5, 2005
Episode 1 of Season 18 premiered on September 5, 2005
September 12, 2005
Episode 2 of Season 18 premiered on September 12, 2005
September 19, 2005
Episode 3 of Season 18 premiered on September 19, 2005
September 26, 2005
Episode 4 of Season 18 premiered on September 26, 2005
October 3, 2005
Episode 5 of Season 18 premiered on October 3, 2005
October 10, 2005
Episode 6 of Season 18 premiered on October 10, 2005
October 17, 2005
Episode 7 of Season 18 premiered on October 17, 2005
October 24, 2005
Episode 8 of Season 18 premiered on October 24, 2005
October 31, 2005
Episode 9 of Season 18 premiered on October 31, 2005
November 7, 2005
Episode 10 of Season 18 premiered on November 7, 2005
November 14, 2005
Episode 11 of Season 18 premiered on November 14, 2005
November 21, 2005
Episode 12 of Season 18 premiered on November 21, 2005
November 28, 2005
Episode 13 of Season 18 premiered on November 28, 2005
December 5, 2005
Episode 14 of Season 18 premiered on December 5, 2005
December 12, 2005
Episode 15 of Season 18 premiered on December 12, 2005
December 19, 2005
Episode 16 of Season 18 premiered on December 19, 2005
December 26, 2005
Episode 17 of Season 18 premiered on December 26, 2005
January 2, 2006
Episode 18 of Season 18 premiered on January 2, 2006
January 9, 2006
Episode 19 of Season 18 premiered on January 9, 2006
January 16, 2006
Episode 20 of Season 18 premiered on January 16, 2006
January 23, 2006
Episode 21 of Season 18 premiered on January 23, 2006
January 30, 2006
Episode 22 of Season 18 premiered on January 30, 2006
February 6, 2006
Episode 23 of Season 18 premiered on February 6, 2006
February 13, 2006
Episode 24 of Season 18 premiered on February 13, 2006
February 20, 2006
Episode 25 of Season 18 premiered on February 20, 2006
February 27, 2006
Episode 26 of Season 18 premiered on February 27, 2006
March 6, 2006
Episode 27 of Season 18 premiered on March 6, 2006
March 13, 2006
Episode 28 of Season 18 premiered on March 13, 2006
March 20, 2006
Episode 29 of Season 18 premiered on March 20, 2006
March 27, 2006
Episode 30 of Season 18 premiered on March 27, 2006
April 3, 2006
Episode 31 of Season 18 premiered on April 3, 2006
April 10, 2006
Episode 32 of Season 18 premiered on April 10, 2006
April 17, 2006
Episode 33 of Season 18 premiered on April 17, 2006
April 24, 2006
Episode 34 of Season 18 premiered on April 24, 2006
May 1, 2006
Episode 35 of Season 18 premiered on May 1, 2006
May 8, 2006
Episode 36 of Season 18 premiered on May 8, 2006
May 15, 2006
Episode 37 of Season 18 premiered on May 15, 2006
May 22, 2006
Episode 38 of Season 18 premiered on May 22, 2006
May 29, 2006
Episode 39 of Season 18 premiered on May 29, 2006
June 5, 2006
Episode 40 of Season 18 premiered on June 5, 2006
June 12, 2006
Episode 41 of Season 18 premiered on June 12, 2006
June 19, 2006
Episode 42 of Season 18 premiered on June 19, 2006
June 26, 2006
Episode 43 of Season 18 premiered on June 26, 2006
July 3, 2006
Episode 44 of Season 18 premiered on July 3, 2006
July 10, 2006
Episode 45 of Season 18 premiered on July 10, 2006
July 17, 2006
Episode 46 of Season 18 premiered on July 17, 2006
July 24, 2006
Episode 47 of Season 18 premiered on July 24, 2006
July 31, 2006
Episode 48 of Season 18 premiered on July 31, 2006
August 7, 2006
Episode 49 of Season 18 premiered on August 7, 2006
August 14, 2006
Episode 50 of Season 18 premiered on August 14, 2006
August 21, 2006
Episode 51 of Season 18 premiered on August 21, 2006
August 28, 2006
Episode 52 of Season 18 premiered on August 28, 2006
September 4, 2006
Episode 53 of Season 18 premiered on September 4, 2006