It’s been 5 years ago since Investigation Discovery released the last season of The Killer Beside Me, and fans of the documentary series are wondering when is The Killer Beside Me Season 4 coming out?
As of October 2025, Investigation Discovery has not officially confirmed the premiere date of The Killer Beside Me season 4. The show has yet to be renewed for a fourth season.
As we continue to monitor the news, in this post, we've collected all you need to know about the potential next season, including cast, rumors, and news.
The Killer Beside Me is a documentary TV show produced by October Films. The TV series stars Martin Ballantyne and Samantha Phelps.
There’s three season(s) of The Killer Beside Me available to watch on Investigation Discovery. On April 22, 2018, Investigation Discovery premiered the very first episode. The television series has around 18 episodes spread across three season(s). New episodes typically come out on Thursdays. The show received an 7.1 rating amongst the audience.
The Killer Beside Me 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.
The Killer Beside Me Season 4 Release Date
The Killer Beside Me has yet to be officially renewed for a fourth season by Investigation Discovery, according to Shows Streaming.
→ Was The Killer Beside Me cancelled? No. This doesn’t necessarily mean 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. Investigation Discovery did not officially cancel the show.
→ Will there be a season 4 of The Killer Beside Me? 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.
The Killer Beside Me Season 4 Cast
Here are the main characters and stars of The Killer Beside Me:
The full cast details are not available.
Show Information
The current status of The Killer Beside Me season 4 is listed below as we continue to watch the news to keep you informed. For additional information, go to the The Killer Beside Me website and IMDb page.
| Show Name | The Killer Beside Me |
| Season | 4 |
| Release Date | PENDING |
| Network | Investigation Discovery |
| Genre | Documentary |
| Parental Rating | TV-PG |
Useful links
→ Watch The Killer Beside Me video trailers
→ Where to buy The Killer Beside Me on DVD?
→ View popularity of The Killer Beside Me in the US
 |
 |
 |
Disclaimer: If you purchase a product via a link on this page, we may get a commission.
