Investigating Grand Canyon Caverns in Arizona, formerly a sacred Indian burial site; mysterious rocks are thrown at the crew during the lock down. |
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Title: | Extra Pulses: Grand Canyon Caverns | |
Air Date: | January 21, 2017 | |
Runtime: | 60 min | |
Genres: | Supernatural | |
Piglet : I think around episode 4 I realized something out of this world is happening. I was right ...