Secrets of the Underground Season 1 Episode 5 2017
4.3/10 by 3 users
Secrets of the Underground Synopsis: Rob descends into a cave 30 feet beneath Texas in search of evidence of a mass extinction event. Then, he heads to Lake Michigan to investigate a Bermuda Triangle-like phenomenon that has caused ships to vanish for centuries.
- Released: 2017-03-14
- Runtime: 60 minutes
- Genre: Reality, Documentary
- Stars:
- Director:
- Source: CWR CRB
