It’s been 8 years ago since Science released the last season of Secrets of the Underground, and fans of the documentary series are wondering when is Secrets of the Underground Season 3 coming out?
As of November 2025, Science has not officially announced the premiere date of Secrets of the Underground season 3. The show has yet to be renewed for a third season.
As we continue to monitor the news, in this post, we've compiled everything you need to know about the potential next season, including cast, rumors, and news.
Secrets of the Underground is a documentary TV show. The television show stars Rob Nelson.
There’s two season(s) of Secrets of the Underground available to watch on Science. On February 11, 2017, Science premiered the very first episode. The television series has around 16 episodes spread across two season(s). New episodes typically come out on Saturdays. The show received an 6.6 rating amongst the viewers.
Secrets of the Underground is rated TV-PG, which means the content may be inappropriate for children under 13. The show may include one or more of the following: some provocative conversation, infrequent crude language, some sexual scenes, or moderate violence, depending on the topic.
Secrets of the Underground Season 3 Release Date
Secrets of the Underground has yet to be officially renewed for a third season by Science, according to Shows Streaming.
→ Was Secrets of the Underground cancelled? No. This doesn’t necessarily imply that the show has been canceled. The show may be on hiatus, and the premiere date for the next season has yet to be disclosed. Science did not officially cancel the show.
→ Will there be a season 3 of Secrets of the Underground? There is no word on the next season yet. This page will be updated as soon as more information becomes available. Sign up for updates below if you want to be alerted when a new season is announced.
Our team uses publicly available data from sources such as IMDb, Tonights.TV, and TV Guide to ensure that release date information is accurate. If you find an error or have fresh details about the upcoming season, please get in touch with us.
Secrets of the Underground Season 3 Cast
Here are the main characters and stars of Secrets of the Underground:
The full cast details are not available.
Show Information
The current status of Secrets of the Underground season 3 is listed below as we continue to watch the news to keep you informed. For additional information, go to the Secrets of the Underground website and IMDb page.
| Show Name | Secrets of the Underground |
| Season | 3 |
| Release Date | PENDING |
| Network | Science |
| Genre | Documentary |
| Parental Rating | TV-PG |
Useful links
→ Watch Secrets of the Underground video trailers
→ Where to buy Secrets of the Underground on DVD?
→ View popularity of Secrets of the Underground in the US
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