Meltdown is a TV show on American national television from National Geographic with an average rating of 3.2 stars by WatchTVOnDemand.com's visitors. We have 25 episodes of Meltdown in our archive. The first episode of Meltdown was broadcast in September, 2014. Did you miss an episode of Meltdown but don't you wan't that to happen in the future? Please set an alarm and add Meltdown to your favorites, so we can remind you by email when there's a new episode available to watch. Completely free: handy!