11 सीजन
116 एपिसोड
History Detectives - Season 6 Episode 3
Japanese Balloon Bomb: Is this scrap of fabric evidence of a secret wartime attack on the United States' mainland? Society Circus Program: Why are some of New York's wealthiest planning a high society circus at the very depth of the Great Depression? Camp David Letter: Could a box found in a dumpster hold information about the founding of a top-secret Presidential retreat?
- बर्ष: 2014
- देश: United States of America
- विधा: Documentary
- स्टुडियो: PBS
- कीवर्ड: investigation
- निर्देशक: Bernadette McDaid
- जात: