Updated

Airs Saturday, August 30 at 9 p.m. ET
Repeats Sunday, August 31 at 12 a.m. and 5 a.m. ET

FOX Fans: Watch a Preview!

As we approach the second anniversary of the worst terrorist attack on U.S. soil, Americans still fear more acts of carnage will come. One of the most feared is bioterrorism.

Bioterror: Ready or Not, hosted by former speaker of the House and FOX News Contributor Newt Gingrich, dissects this looming horror and assesses our government's level of preparedness.

In addition to interviews with emergency planners, first responders, bioterror experts and Health and Human Services Secretary Tommy Thompson (search), Gingrich talks candidly about the threats we face with Homeland Security Secretary Tom Ridge (search).

It's a one-hour special you don't want to miss...