-Brand New 4K MasterWhen the U.S. and Russia unwittingly test atomic bombs at the same time, it alters the nutation (axis of rotation) of the Earth.
-NEW Audio Commentary by Film Historian Richard Harland Smith
-Audio Commentary by Co Writer/Producer/Director Val Guest
-4 TV Spots
-4 Radio Spots
-Theatrical Trailer
-Dual-Layered BD50 Disc
-Optional English Subtitles