icon-close icon-dropdown-arrow icon-edit icon-google-play icon-ios icon-key icon-live-tv icon-my-videos icon-navigation-arrow icon-preview-with-circle icon-preview icon-search icon-showinfo icon-showlistings-player icon-watchlist-add Layer 1 icon-watchlist-remove

SIGN IN WITH YOUR TV PROVIDER

You’re just a few clicks away from the show you want to watch. Please sign in with your TV provider to watch this episode and other great programs.
Now Playing
MythBusters on Science

Chinese Invasion Alarm

Season 3 Episode 26
The MythBusters are taking a pot shot at an ancient Chinese text that alludes to a subterranean sonar system that could apparently detect and intercept an invasion from below. Also, if food's on the floor less than five seconds is it safe to eat?
  • 44 min
  • TV-PG
  • Premiered 05/11/2005