During World War II, lies, propaganda, and disinformation were widespread. What do we now know about the manipulations of those involved, and what remained hidden from the public for decades after the war ended? What crimes went unspoken, even when some were aware of them? What events did historians uncover only years later? New facts continue to emerge—whether about espionage, diplomatic contacts, or economic ties. 'Classified: World War II' explores the lesser-known stories of this devastating war, revealing secrets that have remained outside the public eye.