September 8, 2008
Episode 1 of Season 21 premiered on September 8, 2008
September 15, 2008
Episode 2 of Season 21 premiered on September 15, 2008
September 22, 2008
Episode 3 of Season 21 premiered on September 22, 2008
September 29, 2008
Episode 4 of Season 21 premiered on September 29, 2008
October 6, 2008
Episode 5 of Season 21 premiered on October 6, 2008
October 13, 2008
Episode 6 of Season 21 premiered on October 13, 2008
October 20, 2008
Episode 7 of Season 21 premiered on October 20, 2008
October 27, 2008
Episode 8 of Season 21 premiered on October 27, 2008
November 3, 2008
Episode 9 of Season 21 premiered on November 3, 2008
November 10, 2008
Episode 10 of Season 21 premiered on November 10, 2008
November 17, 2008
Episode 11 of Season 21 premiered on November 17, 2008
November 24, 2008
Episode 12 of Season 21 premiered on November 24, 2008
December 1, 2008
Episode 13 of Season 21 premiered on December 1, 2008
December 8, 2008
Episode 14 of Season 21 premiered on December 8, 2008
December 15, 2008
Episode 15 of Season 21 premiered on December 15, 2008
December 22, 2008
Episode 16 of Season 21 premiered on December 22, 2008
December 29, 2008
Episode 17 of Season 21 premiered on December 29, 2008
January 5, 2009
Episode 18 of Season 21 premiered on January 5, 2009
January 12, 2009
Episode 19 of Season 21 premiered on January 12, 2009
January 19, 2009
Episode 20 of Season 21 premiered on January 19, 2009
January 26, 2009
Episode 21 of Season 21 premiered on January 26, 2009
February 2, 2009
Episode 22 of Season 21 premiered on February 2, 2009
February 9, 2009
Episode 23 of Season 21 premiered on February 9, 2009
February 16, 2009
Episode 24 of Season 21 premiered on February 16, 2009
February 23, 2009
Episode 25 of Season 21 premiered on February 23, 2009
March 2, 2009
Episode 26 of Season 21 premiered on March 2, 2009
March 9, 2009
Episode 27 of Season 21 premiered on March 9, 2009
March 16, 2009
Episode 28 of Season 21 premiered on March 16, 2009
March 23, 2009
Episode 29 of Season 21 premiered on March 23, 2009
March 30, 2009
Episode 30 of Season 21 premiered on March 30, 2009
April 6, 2009
Episode 31 of Season 21 premiered on April 6, 2009
April 13, 2009
Episode 32 of Season 21 premiered on April 13, 2009
April 20, 2009
Episode 33 of Season 21 premiered on April 20, 2009
April 27, 2009
Episode 34 of Season 21 premiered on April 27, 2009
May 4, 2009
Episode 35 of Season 21 premiered on May 4, 2009
May 11, 2009
Episode 36 of Season 21 premiered on May 11, 2009
May 18, 2009
Episode 37 of Season 21 premiered on May 18, 2009
May 25, 2009
Episode 38 of Season 21 premiered on May 25, 2009
June 1, 2009
Episode 39 of Season 21 premiered on June 1, 2009
June 8, 2009
Episode 40 of Season 21 premiered on June 8, 2009
June 15, 2009
Episode 41 of Season 21 premiered on June 15, 2009
June 22, 2009
Episode 42 of Season 21 premiered on June 22, 2009
June 29, 2009
Episode 43 of Season 21 premiered on June 29, 2009
July 6, 2009
Episode 44 of Season 21 premiered on July 6, 2009
July 13, 2009
Episode 45 of Season 21 premiered on July 13, 2009
July 20, 2009
Episode 46 of Season 21 premiered on July 20, 2009
July 27, 2009
Episode 47 of Season 21 premiered on July 27, 2009
August 3, 2009
Episode 48 of Season 21 premiered on August 3, 2009
August 10, 2009
Episode 49 of Season 21 premiered on August 10, 2009
August 17, 2009
Episode 50 of Season 21 premiered on August 17, 2009
August 24, 2009
Episode 51 of Season 21 premiered on August 24, 2009
August 31, 2009
Episode 52 of Season 21 premiered on August 31, 2009