September 2, 2005: Hour One: Hurricane Katrina: New Orleans Engineering and Recovery
September 2, 2005: Hour Two: Hurricane Katrina: Hurricane Science and Prediction / Oil Production Impact
September 9, 2005, Hour One: FDA and Plan B / Author Mike Tidwell on Louisiana 
September 9, 2005, Hour Two: Deep Impact Comet Mission / Satisfaction and Happiness 
September 16, 2005: Hour One: Preparing for Future Disasters
September 16, 2005: Hour Two: Most Distant Explosion / Dover Evolution Court Case / Superhero Physics
September 23, 2005: Hour One: Special Coverage: Hurricane Rita
September 23, 2005: Hour Two: Special Coverage: Hurricane Rita

September 30, 2005: Hour One: Evolution Trial / Energy / Dog Flu
September 30, 2005: Hour Two: Lisa Randall - Warped Passages / Termites