[United States] : WGBH Educational Foundation : Distributed by PBS Distribution, 2011

New York : A&E Television Networks ; Distributed in the US by New Video Group, 2005

[New York, N.Y.] : A&E Television Networks : distributed in the U.S. by New Video, 2009

Richmond Hills, Ontario : BFS Entertainment & Multimedia Limited, 2012
Widescreen.

Hollywood, Calif. : Paramount Home Entertainment, 2004
Widescreen ed.

[Arlington, VA] : Hollywood, Calif. : PBS Home Video ; Distributed by Paramount Pictures, 2006

[New York, N.Y.] : HBO Home Entertainment, 2008

[United States] : Acorn Media, 2012
35th anniversary ed.; Fullscreen version.

[Alexandria, Va.] : Hollywood, Calif. : PBS Home Video ; Distributed by Paramount Home Entertainment, 2007
Widescreen version.

Silver Spring, MD : Chatsworth, CA : Discovery Communications ; Distributed by Image Entertainment, 2007

[Chicago, Ill.] : New Video, 2001

[Burlington, VT] : [New York] : A&E Television Networks ; distributed by New Video, 2005

[United States] : PBS Distribution, 2010

[Arlington, Va.] : PBS, 2010

[Burlington, VT] : New York : A&E Home Video ; Distributed by New Video, 2006

[New York, N.Y.] : A&E Television Networks : Distributed by New Video, 2008

Burbank, CA : Warner Home Video, 2007
30th anniversary ed.

Silver Spring, MD : Distributed by Acorn Media, 2008

[United States] : National Geographic : Vivendi Entertainment, 2011

Burbank, CA : Distributed by Warner Home Video, 2012