April 29, 2007
Episode 1 of Season 20 premiered on April 29, 2007
May 6, 2007
Episode 2 of Season 20 premiered on May 6, 2007
May 13, 2007
Episode 3 of Season 20 premiered on May 13, 2007
May 20, 2007
Episode 4 of Season 20 premiered on May 20, 2007
May 27, 2007
Episode 5 of Season 20 premiered on May 27, 2007
June 3, 2007
Episode 6 of Season 20 premiered on June 3, 2007
June 10, 2007
Episode 7 of Season 20 premiered on June 10, 2007
June 17, 2007
Episode 8 of Season 20 premiered on June 17, 2007
June 24, 2007
Episode 9 of Season 20 premiered on June 24, 2007
July 1, 2007
Episode 10 of Season 20 premiered on July 1, 2007
July 8, 2007
Episode 11 of Season 20 premiered on July 8, 2007
July 15, 2007
Episode 12 of Season 20 premiered on July 15, 2007
July 22, 2007
Episode 13 of Season 20 premiered on July 22, 2007
July 29, 2007
Episode 14 of Season 20 premiered on July 29, 2007
August 5, 2007
Episode 15 of Season 20 premiered on August 5, 2007
August 12, 2007
Episode 16 of Season 20 premiered on August 12, 2007
August 19, 2007
Episode 17 of Season 20 premiered on August 19, 2007
August 26, 2007
Episode 18 of Season 20 premiered on August 26, 2007
September 2, 2007
Episode 19 of Season 20 premiered on September 2, 2007
September 9, 2007
Episode 20 of Season 20 premiered on September 9, 2007
September 16, 2007
Episode 21 of Season 20 premiered on September 16, 2007
September 23, 2007
Episode 22 of Season 20 premiered on September 23, 2007
September 30, 2007
Episode 23 of Season 20 premiered on September 30, 2007
October 7, 2007
Episode 24 of Season 20 premiered on October 7, 2007
October 14, 2007
Episode 25 of Season 20 premiered on October 14, 2007
October 21, 2007
Episode 26 of Season 20 premiered on October 21, 2007
October 28, 2007
Episode 27 of Season 20 premiered on October 28, 2007
November 4, 2007
Episode 28 of Season 20 premiered on November 4, 2007
November 11, 2007
Episode 29 of Season 20 premiered on November 11, 2007
November 18, 2007
Episode 30 of Season 20 premiered on November 18, 2007
November 25, 2007
Episode 31 of Season 20 premiered on November 25, 2007
December 2, 2007
Episode 32 of Season 20 premiered on December 2, 2007
December 9, 2007
Episode 33 of Season 20 premiered on December 9, 2007
December 16, 2007
Episode 34 of Season 20 premiered on December 16, 2007
December 23, 2007
Episode 35 of Season 20 premiered on December 23, 2007
December 30, 2007
Episode 36 of Season 20 premiered on December 30, 2007
January 6, 2008
Episode 37 of Season 20 premiered on January 6, 2008
January 13, 2008
Episode 38 of Season 20 premiered on January 13, 2008
January 20, 2008
Episode 39 of Season 20 premiered on January 20, 2008
January 27, 2008
Episode 40 of Season 20 premiered on January 27, 2008
February 3, 2008
Episode 41 of Season 20 premiered on February 3, 2008
February 10, 2008
Episode 42 of Season 20 premiered on February 10, 2008
February 17, 2008
Episode 43 of Season 20 premiered on February 17, 2008
February 24, 2008
Episode 44 of Season 20 premiered on February 24, 2008
March 2, 2008
Episode 45 of Season 20 premiered on March 2, 2008
March 9, 2008
Episode 46 of Season 20 premiered on March 9, 2008
March 16, 2008
Episode 47 of Season 20 premiered on March 16, 2008
March 23, 2008
Episode 48 of Season 20 premiered on March 23, 2008
March 30, 2008
Episode 49 of Season 20 premiered on March 30, 2008
April 6, 2008
Episode 50 of Season 20 premiered on April 6, 2008
April 13, 2008
Episode 51 of Season 20 premiered on April 13, 2008
April 20, 2008
Episode 52 of Season 20 premiered on April 20, 2008