The Great Underground War (2014)
- HD 1080
- Runtime: 45m.
- Status: Ended
0
- Languages: en
- Country: United Kingdom
- Director: Paul Russell
- Stars: Andy Hawkins, Julia Richardson
- Production_studio: Crowned Impala Communications, Millstream Films
- Seasons: 1
- Episodes: 5
- First air date: 2014-08-10
- Last air date: 2014-08-10
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I.