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