'TMZ Presents: Michael Jackson: 30 Fatal Seconds' Investigates Fire That Changed His Life

Michael Jackson's entire trajectory may have shifted in just 30 seconds ... in a theory posited by our new documentary 'Michael Jackson: 30 Fatal Seconds.'

In the doc, we reveal shocking, never-before-seen footage of the infamous fire that engulfed the King of Pop's head on a commercial set in 1984. The tragic event left MJ with severe third-degree burns and led to his obsession with plastic surgery, a severe narcotics addiction ... and eventually his untimely death.