Let the Devil In release schedule: When do new episodes of the true crime docuseries drop?

MGM+ recently released its four-part true-crime docu-series Let the Devil In on August 31, 2025. The series will drop weekly episodes on the platform at 9 PM ET. The chilling docu-series is hosted by writer and director Eli Roth, who is famously known for his horror films like Cabin Fever and Hostel.

MGM+'s latest series revisits the terrifying case of 1988 New Jersey, where a 14-year-old boy, Thomas, stabbed his mother, Betty Ann, with his Boy Scouts knife and later plunged the knife into himself. His 10-year-old brother and father, who were sleeping upstairs, luckily survived the ordeal. As Roth takes his audience behind the scenes of this chilling incident, he alludes to the'Satanic Panic', which was prevalent in the 1980s and was connected to many ritualistic killings like this.

Through interviews with police officers, community members, and New Jersey residents, Let the Devil In will re-examine the case. The series explores the theories, conspiracies, and paranormal motivations behind the murder-suicide.

Here is the complete release schedule for MGM+'s latest docu-series.

Let the Devil In release schedule on MGM+

Let the Devil In began streaming on MGM+ on Sunday, August 31, 2025, with its first episode titled Shock. The true-crime docuseries will continue to release weekly episodes at 9 pm ET. The docu-series' finale, titled Trauma, will be released on September 20, 2025.

Here is the complete release schedule:

Since Let the Devil In is an MGM+ exclusive, you can catch the new episodes of the docu-series on the platform. MGM+ subscription costs $6.99 per month or $58.99 per year, and also offers a free 7-day trial. Additionally, viewers can also add the MGM+ channel on their Prime Video for $6.99 per month.

The platform has quickly built an impressive library with original titles like From and The Institute. In addition to the recently released Let the Devil In, you can also find many other critically acclaimed docuseries like Hollywood Black, The Wonderland Massacre, and In Restless Dreams: The Music of Paul Simon on MGM+.

What is Let the Devil In about?

The official synopsis of the docu-series reads as follows:

''In 1988, a devout Catholic mother is murdered in Jefferson, NJ. The brutality of the crime and the investigation that follows sets the stage for whispers of demonic possession. Decades later, the truth remains tangled in paranoia and fear.''

Let the Devil In recounts the horrific tale of January 1988 in New Jersey, where 14-year-old Thomas Sullivan Jr. murdered his mother in their home, following which he set fire to the house, killing himself in the process. Additionally, newspaper reports from the 1980s also confirmed that Thomas also sliced his wrists and cut himself ear to ear with a pocketknife, an action particularly related to Satanism and occult-cults.

The recent MGM+ docu-series will re-investigate Thomas' case in a new light, with interviews from police officers and residents who witnessed this terrifying incident firsthand. Additional reports suggest that Thomas had been deeply immersed in researching Satanism before the murder-suicide. Police discovered several books, journals, and a note indicating that he was heavily influenced by the subject before his killing spree.

The docu-series tries to re-examine Thomas' motivations behind this incident, as Roth says:

"When you read his journals, you go, was this mental illness? Was this some kind of abuse going on? Nobody really knows. It's not clear-cut what really happened."

Almost four decades after its occurrence in New Jersey, the case continues to haunt the people and investigators. In recent decades, it has earned an important place in paranormal investigations and research on Satanism and the occult.

Catch Let the Devil In on MGM+ now.

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