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