October 20, 2007
Episode 1 of Season 4 premiered on October 20, 2007
October 27, 2007
Episode 2 of Season 4 premiered on October 27, 2007
November 3, 2007
Episode 3 of Season 4 premiered on November 3, 2007
November 10, 2007
Episode 4 of Season 4 premiered on November 10, 2007
November 17, 2007
Episode 5 of Season 4 premiered on November 17, 2007
November 24, 2007
Episode 6 of Season 4 premiered on November 24, 2007
December 1, 2007
Episode 7 of Season 4 premiered on December 1, 2007
December 8, 2007
Episode 8 of Season 4 premiered on December 8, 2007
December 15, 2007
Episode 9 of Season 4 premiered on December 15, 2007
December 22, 2007
Episode 10 of Season 4 premiered on December 22, 2007
December 29, 2007
Episode 11 of Season 4 premiered on December 29, 2007
January 5, 2008
Episode 12 of Season 4 premiered on January 5, 2008
January 12, 2008
Episode 13 of Season 4 premiered on January 12, 2008
January 19, 2008
Episode 14 of Season 4 premiered on January 19, 2008
January 26, 2008
Episode 15 of Season 4 premiered on January 26, 2008
February 2, 2008
Episode 16 of Season 4 premiered on February 2, 2008
February 9, 2008
Episode 17 of Season 4 premiered on February 9, 2008
February 16, 2008
Episode 18 of Season 4 premiered on February 16, 2008
February 23, 2008
Episode 19 of Season 4 premiered on February 23, 2008
March 1, 2008
Episode 20 of Season 4 premiered on March 1, 2008