There are a few series over the years who have gotten an unfair shakedown by their respective networks, canceled prematurely while still having a significant story potential in their bones. One such series is USA's The 4400 , beloved by its small coterie of fans yet largely ignored by the general populace. CBS Paramount Home Entertainment today releases The 4400: The Complete Series , which wrapped its run last summer on USA, in a handsome box set with a host of extras. I'm hoping that its sheer weight and heft (it's about the size of the last Harry Potter book) will entice some people who missed this smart and sophisticated series when it was on the air. Conceived by Scott Peters and René Echevarria, The 4400 told the story of a group of people pulled from the timestream at various points in the 20th century who were then returned to the present day in a great ball of light that seemed to fall from the sky. Returned to 2003, these people (4400 in number) began to displa