January 21, 2009
Episode 1 of Season 4 premiered on January 21, 2009
January 28, 2009
Episode 2 of Season 4 premiered on January 28, 2009
February 4, 2009
Episode 3 of Season 4 premiered on February 4, 2009
February 11, 2009
Episode 4 of Season 4 premiered on February 11, 2009
February 18, 2009
Episode 5 of Season 4 premiered on February 18, 2009
February 25, 2009
Episode 6 of Season 4 premiered on February 25, 2009
March 4, 2009
Episode 7 of Season 4 premiered on March 4, 2009
March 11, 2009
Episode 8 of Season 4 premiered on March 11, 2009
March 18, 2009
Episode 9 of Season 4 premiered on March 18, 2009
March 25, 2009
Episode 10 of Season 4 premiered on March 25, 2009
April 2, 2009
Episode 11 of Season 4 premiered on April 2, 2009
April 8, 2009
Episode 12 of Season 4 premiered on April 8, 2009
April 15, 2009
Episode 13 of Season 4 premiered on April 15, 2009
August 26, 2009
Episode 14 of Season 4 premiered on August 26, 2009
September 2, 2009
Episode 15 of Season 4 premiered on September 2, 2009
September 9, 2009
Episode 16 of Season 4 premiered on September 9, 2009
September 16, 2009
Episode 17 of Season 4 premiered on September 16, 2009
September 23, 2009
Episode 18 of Season 4 premiered on September 23, 2009
September 30, 2009
Episode 19 of Season 4 premiered on September 30, 2009
October 7, 2009
Episode 20 of Season 4 premiered on October 7, 2009
October 14, 2009
Episode 21 of Season 4 premiered on October 14, 2009
October 21, 2009
Episode 22 of Season 4 premiered on October 21, 2009
October 28, 2009
Episode 23 of Season 4 premiered on October 28, 2009
November 4, 2009
Episode 24 of Season 4 premiered on November 4, 2009
November 11, 2009
Episode 25 of Season 4 premiered on November 11, 2009
November 18, 2009
Episode 26 of Season 4 premiered on November 18, 2009
November 25, 2009
Episode 27 of Season 4 premiered on November 25, 2009
December 2, 2009
Episode 28 of Season 4 premiered on December 2, 2009
December 9, 2009
Episode 29 of Season 4 premiered on December 9, 2009