Season 2 (2007)

1. S2.E1 ∙ Howard Hughes Revealed

How and why did a man so rich, so accomplished and so visible become so reclusive, phobic and fragile? How much truth is there in the popular image of Hughes' descent into madness? What can recent medical discoveries contribute to our understanding of this man, his habits, behaviors and final years? NGC reviews recent studies of America's most bizarre billionaire.

2. S2.E2 ∙ Amelia Earhart

3. S2.E3 ∙ The Hunt for Hitler

An investigation of the rumors that Hitler escaped from his Berlin bunker at the end of World War II, and the controversy surrounding Hitler's fate immediately after the war.

4. S2.E4 ∙ The Real Roswell

5. S2.E5 ∙ J. Edgar Hoover