January 6, 2008 • 51m
Episode 1 of Season 4 premiered on January 6, 2008
January 13, 2008 • 49m
Episode 2 of Season 4 premiered on January 13, 2008
January 20, 2008 • 52m
Episode 3 of Season 4 premiered on January 20, 2008
January 27, 2008 • 49m
Episode 4 of Season 4 premiered on January 27, 2008
February 3, 2008 • 51m
Episode 5 of Season 4 premiered on February 3, 2008
February 10, 2008 • 48m
Episode 6 of Season 4 premiered on February 10, 2008
February 17, 2008 • 52m
Episode 7 of Season 4 premiered on February 17, 2008
February 24, 2008 • 51m
Episode 8 of Season 4 premiered on February 24, 2008
March 2, 2008 • 50m
Episode 9 of Season 4 premiered on March 2, 2008
March 9, 2008 • 49m
Episode 10 of Season 4 premiered on March 9, 2008
March 16, 2008 • 50m
Episode 11 of Season 4 premiered on March 16, 2008
March 23, 2008 • 51m
Episode 12 of Season 4 premiered on March 23, 2008
March 30, 2008 • 51m
Episode 13 of Season 4 premiered on March 30, 2008
April 6, 2008 • 50m
Episode 14 of Season 4 premiered on April 6, 2008
April 13, 2008 • 51m
Episode 15 of Season 4 premiered on April 13, 2008
April 20, 2008 • 52m
Episode 16 of Season 4 premiered on April 20, 2008
April 27, 2008 • 52m
Episode 17 of Season 4 premiered on April 27, 2008
May 4, 2008 • 52m
Episode 18 of Season 4 premiered on May 4, 2008
May 11, 2008 • 50m
Episode 19 of Season 4 premiered on May 11, 2008
May 11, 2008 • 54m
Episode 20 of Season 4 premiered on May 11, 2008