Secrets of the Underground

Rocky Mountain Monsters

Name: Rocky Mountain Monsters
Released: 2017-03-07T08:00:00.000Z

Documentary Mar 7, 2017 41 min iTunes

Available on Philo, Prime Video, discovery+, Hulu, Sling TV

S1 E4: Rob Nelson examines a set of bizarre markings that suggest a violent clash between prehistoric beasts. In California, he investigates if a strange lake is a home to alien life.

Documentary Mar 7, 2017 41 min iTunes

TV-PG

Information

Released: 2017
Run Time: 41 min
Rated: TV-PG
Region of Origin: United States

Languages

Original Audio: English
Audio: English (United States) (AAC)
Subtitles: English (CC)

Accessibility

: Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.