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