January 3, 2007 • 1h 45m
Episode 1 of Season 18 premiered on January 3, 2007
January 10, 2007 • 1h 45m
Episode 2 of Season 18 premiered on January 10, 2007
January 31, 2007 • 1h 45m
Episode 3 of Season 18 premiered on January 31, 2007
March 14, 2007 • 1h 45m
Episode 4 of Season 18 premiered on March 14, 2007
April 11, 2007 • 1h 45m
Episode 5 of Season 18 premiered on April 11, 2007
April 18, 2007 • 1h 45m
Episode 6 of Season 18 premiered on April 18, 2007
April 25, 2007 • 1h 45m
Episode 7 of Season 18 premiered on April 25, 2007
May 2, 2007 • 1h 45m
Episode 8 of Season 18 premiered on May 2, 2007
May 9, 2007 • 1h 45m
Episode 9 of Season 18 premiered on May 9, 2007
May 16, 2007 • 1h 45m
Episode 10 of Season 18 premiered on May 16, 2007
May 23, 2007 • 1h 45m
Episode 11 of Season 18 premiered on May 23, 2007
May 30, 2007 • 1h 45m
Episode 12 of Season 18 premiered on May 30, 2007
June 6, 2007 • 1h 45m
Episode 13 of Season 18 premiered on June 6, 2007
July 4, 2007 • 1h 45m
Episode 14 of Season 18 premiered on July 4, 2007
July 25, 2007 • 1h 45m
Episode 15 of Season 18 premiered on July 25, 2007
August 22, 2007 • 1h 45m
Episode 16 of Season 18 premiered on August 22, 2007
September 12, 2007 • 1h 45m
Episode 17 of Season 18 premiered on September 12, 2007
November 7, 2007 • 1h 45m
Episode 18 of Season 18 premiered on November 7, 2007
November 14, 2007 • 1h 45m
Episode 19 of Season 18 premiered on November 14, 2007
November 21, 2007 • 1h 45m
Episode 20 of Season 18 premiered on November 21, 2007
December 19, 2007 • 1h 45m
Episode 21 of Season 18 premiered on December 19, 2007