
Preview | Cracking the Queen's Code
Preview: Season 22 Episode 9 | 32sVideo has Closed Captions
See how secret letters written by Mary, Queen of Scots, were finally decoded.
In early 2003, three amateur codebreakers announced they had successfully decoded the secret correspondence of one of the most tragic characters in European history: Mary, Queen of Scots. 57 encrypted letters detail the exiled queen’s efforts to free herself from imprisonment and gain advantage over her rival, Queen Elizabeth. Now, after four centuries, Mary’s urgent pleas can be revealed.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
SECRETS OF THE DEAD is made possible, in part, by public television viewers.

Preview | Cracking the Queen's Code
Preview: Season 22 Episode 9 | 32sVideo has Closed Captions
In early 2003, three amateur codebreakers announced they had successfully decoded the secret correspondence of one of the most tragic characters in European history: Mary, Queen of Scots. 57 encrypted letters detail the exiled queen’s efforts to free herself from imprisonment and gain advantage over her rival, Queen Elizabeth. Now, after four centuries, Mary’s urgent pleas can be revealed.
Problems playing video? | Closed Captioning Feedback
How to Watch Secrets of the Dead
Secrets of the Dead is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Buy Now

Providing Support for PBS.org
Learn Moreabout PBS online sponsorship-On "Secrets of the Dead"... A queen living under house arrest.
-She's head of a government in exile.
-In captivity, she is still Mary, Queen of Scots.
-A lost cache of her letters, written in code.
-Cipher becomes so important to make sensitive information secret.
-Now, follow the team of codebreakers who are... Cracking the Queen's Code, on "Secrets of the Dead."
Support for PBS provided by:
SECRETS OF THE DEAD is made possible, in part, by public television viewers.