This episode was narrated by Jay Thomas.

Secured in the archives of the Franklin Institute in Philadelphia is one of the first electronic instruments ever made. But this piece of outdated technology is more than just a footnote in musical history. How did this bizarre instrument play a part in triggering one of the biggest spy scandals of the century?

At the Detroit Science Center, 36 bodies arranged in a chilling display are mysteriously preserved - and they aren't the carefully prepared bodies of Egyptian royalty.

For decades, their discovery has baffled scientists... until now. At the Mariners' Museum in Newport News Virginia, an ordinary military supply box has a shocking past. It's the only piece of cargo from the USS Cyclops, a ship from the First World War which dropped off the face of the earth. What happened to the ship... and does this box hold the clue?

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