"All Nightmare Long" is a song by American heavy metal band Metallica, released as the third single from their album Death Magnetic.

However, it turns out the incredibly hardy spores are able to reanimate dead tissue, and subjects turn violent sometime after exposure to the spores; a cartoon then shows the USSR adapting them as a bioweapon and scatters them from balloons in a preemptive strike against the U.S., causing a localized zombie apocalypse before intervening militarily to distribute humanitarian aid.

At the end of the cartoon, a hybrid U.S.–USSR flag is raised in the now-Soviet-ruled America, and in 1972, a headless corpse is shown breaching containment and escaping from a Soviet biowarfare lab.

After digging it up and watching the animated film, he said that he was fascinated by it, researched about its background, and asked a friend's Russian girlfriend to translate parts of it.

Rather, as the video's director Roboshobo stated in an interview, the live action segments (including the ending) were specially shot to look like excerpts of old Russian documentary footage.

The video bears similarities to the underground documentary Experiments in the Revival of Organisms, where animal experimentation to produce life extension is depicted.