The UnXplained
The UnXplained

The UnXplained (2019 – ...)

2019 • 8 seasons • Documentary • TV-14
▲ +1 #1887
7.3/10 2,433
67% 31
—
—
On August 8, 2026
#1261 ▲ 1582
1261st by attention TV show online
ATTENTION
42.3 Attention Score
Attention Score

Our daily 0–100 attention score based on public activity and popularity signals across the web.

How it works →
Streaming on See all
Netflix Amazon Prime Video Disney Plus Hulu Amazon Video Hoopla The Roku Channel +1
United States
Source JustWatch
← Season
photo from the episode

Episode 18 — Mysteries of the Underground

Season 7 • The UnXplained
Released: 2025-10-31 • Documentary
50%
User score
Beneath our feet lie hidden ancient tunnels, sacred caves, and shadowy passages into a world of darkness shaped by nature, carved by man, and steeped in myth. Are these underground realms mere remnants of the past?

Episodes

Information

Episode air date31.10.2025
Episode runtime42 min
Episode rating5.00
GenresDocumentary
TMDB series rating6.7
IMDb series rating7.3
Series statusReturning series
Age rating14+
CountryUS

Cast

William Shatner
William Shatner
Self - Host

Similar shows

American Masters
Marvel Studios Legends
Marvel Studios Assembled
Unsolved Mysteries
The Story of God with Morgan Freeman
Ancient Apocalypse
Leah Remini: Scientology and the Aftermath
Paranormal Witness
Forensic Files
History's Greatest Mysteries
American Experience
American Monster
Finding Your Roots
People Magazine Investigates
Good Cop, Bad Cop
Mystery Files
Snapped
Cold Case Files
Mysteries at the Museum
Who The (Bleep) Did I Marry?
The Hunt for the Zodiac Killer
MegaStructures

Recommended shows

Star Trek
T. J. Hooker
Star Trek
Boston Legal
$#*! My Dad Says
Masters of the Universe: Revolution
The UnXplained: Mysteries of the Universe
← Previous episode