September 14, 2009
Episode 1 of Season 4 premiered on September 14, 2009
September 21, 2009
Episode 2 of Season 4 premiered on September 21, 2009
September 28, 2009
Episode 3 of Season 4 premiered on September 28, 2009
October 5, 2009
Episode 4 of Season 4 premiered on October 5, 2009
October 12, 2009
Episode 5 of Season 4 premiered on October 12, 2009
January 11, 2010
Episode 6 of Season 4 premiered on January 11, 2010
January 18, 2010
Episode 7 of Season 4 premiered on January 18, 2010
January 25, 2010
Episode 8 of Season 4 premiered on January 25, 2010
February 1, 2010
Episode 9 of Season 4 premiered on February 1, 2010
February 8, 2010
Episode 10 of Season 4 premiered on February 8, 2010
February 15, 2010
Episode 11 of Season 4 premiered on February 15, 2010
February 22, 2010
Episode 12 of Season 4 premiered on February 22, 2010
March 1, 2010
Episode 13 of Season 4 premiered on March 1, 2010