January 13, 2008
Episode 1 of Season 4 premiered on January 13, 2008
May 18, 2008
Episode 2 of Season 4 premiered on May 18, 2008
June 22, 2008
Episode 3 of Season 4 premiered on June 22, 2008
September 8, 2008
Episode 4 of Season 4 premiered on September 8, 2008
October 12, 2008
Episode 5 of Season 4 premiered on October 12, 2008