Secret messages, war rooms, and brilliant minds that changed history.
Explore the codes that shaped wars, exposed spies, challenged criminal networks, and opened new ways of understanding human life. This series reveals how gifted codebreakers turned baffling strings of letters and numbers into world-changing insight. Sign up to see the hidden battles behind some of history's most consequential secrets.
Episode guide
8 episodes- New shows weeklyFresh documentaries land every week.
- Exclusive originalsAward-winning films you can’t stream anywhere else.
- Watch anywherePhone, tablet, web and TV — pick up where you left off.
- No commitmentNo contract. Cancel in a click.
Frequently asked questions
Yes. Every plan unlocks the full library — including all Curiosity Originals like Cracking the Code — in up to 4K, ad-free, on all your devices.
Cracking the Code is a Curiosity Original, exclusive to Curiosity Stream.
Watch on the web, iOS and Android, Roku, Apple TV, Amazon Fire TV, Chromecast, Android TV, and most smart TVs. Start on one device and pick up right where you left off on another.
Curiosity Stream is our streaming service — thousands of documentaries and originals. The Smart Bundle is Curiosity Stream plus four other independent streaming services (Tastemade, Kidstream, Curiosity University, and SOMM TV) on a single subscription.