Free in US
Hoopla
Spectrum On Demand
The Roku Channel
Amazon Prime Video Free with Ads
History
Tubi TV
The UnXplained
6.7
8 seasons
101 episodes
Returning Series
Documentary
Plot Summary
Explore the world’s most fascinating, strange and inexplicable mysteries. Each episode features compelling contributions from scientists, historians, witnesses and experiencers—each seeking to shed light on how the seemingly impossible actually can happen.
First Aired:July 19, 2019
Last Aired:October 31, 2025
Episode Runtime:43m
Networks:
History
Cast & Characters
Where to watch free (US)
Hoopla
Spectrum On Demand
The Roku Channel
Amazon Prime Video Free with Ads
History
Tubi TV
Seasons (8)
6.1
Season 1
16 episodes
Aired: 2019
5.6
Season 2
18 episodes
Aired: 2020
6.7
Season 3
7 episodes
Aired: 2021
6.5
Season 4
22 episodes
Aired: 2022
6.3
Season 5
10 episodes
Aired: 2023
7.5
Season 6
10 episodes
Aired: 2023
8.9
Season 7
18 episodes
Aired: 2024
Season 8
3 episodes
Aired: 2026
Production
Prometheus Entertainment