Documentary

The Truth Behind...: all seasons, episodes and where to watch

Name: The Truth Behind...
Genre: Documentary

National Geographic documentary series (2009–2015), 4 seasons.

Season complete Cable Listings updated November 3, 2026 Listings

Quick answer · Season 4

The Truth Behind... is a documentary series that aired on National Geographic, running from 2009 to 2015 with 4 seasons and 17 episodes. The Truth Behind... has ended. Its final episode aired on October 5, 2015.

U.S. premiere: October 4, 2015
Where: Cable
Time: Varies by station
Episodes: 2
Finale: October 5, 2015

Where to watch The Truth Behind... season 4 in the U.S.

Where to watch The Truth Behind... season 4 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	October 4, 2015 – October 5, 2015	Original U.S. run on National Geographic. [1]

Season 4 episode schedule

The Truth Behind... season 4 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	Crystal Skulls & Crop Circles	Sun, Oct 4, 2015 ^[1]	Check local listings national slot	Listed
2	Zombies & Monsters	Mon, Oct 5, 2015 ^[1]	Check local listings national slot	Listed

Dates are U.S. dates. Broadcast times are the network's national slot; your local station may differ.

About The Truth Behind...

Season 4: Season 4 of The Truth Behind... aired from October 4, 2015 to October 5, 2015 on National Geographic (2 episodes).

Network / service: National Geographic (first aired September 11, 2009)
Official site: channel.nationalgeographic.com

All seasons

Season 4

Season complete

Season 4 of The Truth Behind... aired from October 4, 2015 to October 5, 2015 on National Geographic (2 episodes).

Cable

Season 3

Season complete

Season 3 of The Truth Behind... aired from November 3, 2011 to December 22, 2011 on National Geographic (5 episodes).

Cable

Season 2

Season complete

Season 2 of The Truth Behind... aired from February 23, 2010 to October 30, 2010 on National Geographic (8 episodes).

Cable

Season 1

Season complete

Season 1 of The Truth Behind... aired on September 11, 2009 on National Geographic (2 episodes).

Cable

Common questions

How many seasons of The Truth Behind... are there?

The Truth Behind... has 4 seasons and 17 episodes listed, airing from September 11, 2009 to October 5, 2015.

Is The Truth Behind... cancelled or ended?

The Truth Behind... has ended. Its final episode aired on October 5, 2015.

Where can I watch The Truth Behind...?

The Truth Behind... originally aired on National Geographic in the U.S. Streaming rights for older seasons change over time, so check National Geographic's own app and the major streaming services for the current home.