World's Most Powerful Explosions (1999) Rating: Starring: World's Most Director: Category: Special Interest Studio: Madacy Subtitles: [None] Length: 50 mins     Experience the most frightening explosions ever caught on videotape -- from a gas station erupting into a giant mushroom cloud in downtown Seoul, Korea -- to firefighters engulfed in a fireball caused by a backdraft.Watch as a Brazilian fireworks show turns into a war zone -- and stop inside ground zero of a nuclear blast.Learn how experts level a 20-story buliding using high explosives, and see what happens when a billion-dollar rocket detonates mid-air.This episode will show the force, destruction, and human drama behind the World's Most Powerful Explosions.