The Titan. Not good ; New wave ; No lone zones ; Spheres within spheres ; Potential hazards -- Machinery of control. The best, the biggest, and the most ; In violation ; Megadeath -- Accidents will happen. Acceptable risks ; The optimum mix ; Breaking in -- Out of control. Decapitation ; The brink ; An abnormal environment -- Damascus. Balanced and unbalanced ; The wrong tape ; Like hell ; Confirm or deny ; The end

Presents a minute-by-minute account of an H-bomb accident that nearly caused a nuclear disaster, examining other near misses and America's growing susceptibility to a catastrophic event