National U.S. broadcast on PBS series "Independent Lens" was May 22 2007.
Order the DVD for home viewing:
Click Here
Contact your local PBS station to request a re-broadcast:
Click Here
More websites with official KNOCKING content
PBS Series Independent Lens, hosted by Terrence Howard:
http://www.pbs.org/independentlens/knocking/
Independent Television Service (ITVS), producer of documentaries for PBS:
http://itvs.org/shows/ataglance.php?showID=7566
AOL True Stories series features KNOCKING:
http://movies.aol.com/truestories/knocking
