Season Five received overwhelming critical acclaim , and is frequently cited by fans and critics as the best and most consistent season of the series , with the possible exception of Season One . The series received its highest ratings during this year . Season Five also won big at the 58th Primetime Emmy Awards , winning for Outstanding Drama Series . '' 24 '' won over '' Grey 's Anatomy '' , '' House '' , '' The Sopranos '' and '' The West Wing '' . Kiefer Sutherland took home Outstanding Lead Actor in a Drama Series , while supporting cast members Gregory Itzin and Jean Smart also received nominations
58th Primetime Emmy Awards
58th Primetime Emmy Awards
Critical reaction to 24