X
Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Decrypting the Codes
It takes you to the heart of a war that was fought far from the bombs of any battlefront. A game of chess and war amongst code breakers to learn the battle plans of enemy commanders in the field.
Loading. Please wait...
Content not available in your region? ExpressVPN
can help you stay connected wherever you are.
Get 4 extra months FREE with TV Guide's exclusive offer.
Cast & Crew See All
Season 1 Episode Guide See All
Episode 1
Men of Room 40
Mon, Jul 5, 1993
A war that involved the brilliant skills of mathematicians and chess players. Twice in 50 years the ability to crack the enemy's most secret codes, and so learn the battle plans of enemy commanders in the field.
