Secrets of Great British Castles (2015)
- HD 1080
- Runtime: 45m.
- Status: Ended
0
- Languages: en
- Country: United Kingdom
- Stars: Dan Jones
- keywords: great britain, castle, historical, reenactment, united kingdom, british history, medieval, european history
- Production_studio: Sideline Productions, GroupM Entertainment, Channel 5
- Seasons: 2
- Episodes: 12
- First air date: 2015-04-03
- Last air date: 2016-12-09
- providers: Netflix, Netflix basic with Ads
- The Secrets of Great British Castles is featured in the top rankings of 2015
- #82 in Top Documentary Series of 2015
Historian Dan Jones explores the millennium of history behind six of Great Britain's most famous castles: Warwick, Dover, Caernarfon, the Tower of London, Carrickfergus, and Stirling.