World's Strangest

Underground

Documentary Mar 23, 2014 43 min iTunes

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

S1 E3: The series that reveals the science behind some of the strangest things in the world.

Documentary Mar 23, 2014 43 min iTunes

TV-PG

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