Exclusive Clip: Let the Devil In Finale Confronts the Real Evil Behind a New Jersey Tragedy

For three episodes, Let the Devil In has walked us through the myths, rumors, and cultural paranoia of the 1980s satanic panic.

But in the finale, streaming this Sunday on MGM+, the story cuts closer to the bone.

The case of 14-year-old Thomas Sullivan and his mother Betty Ann is no longer just about sensational headlines, whispers of the occult, or moral crusades — it’s about the devastating reality of what happens when a troubled teenager doesn’t get the help he needs.

In this exclusive clip, the conversation shifts away from the question of whether Satanism itself is dangerous and instead points to the real dangers of context, culture, and untreated mental illness.

As one voice explains, “You can’t take Tommy out of the times.”

Raised in a devout Catholic household during an era when Satan was treated as a very real figure of fear, Tommy’s anger and vulnerability collided with the cultural hysteria of the late ’80s.

For some, the devil was an abstract boogeyman; for Tommy, he may have felt like a way out.

That’s what makes Let the Devil In so chilling.

Yes, it delivers all the haunting visuals, eerie recreations, and whispers of possession you’d expect from executive producer Eli Roth.

But the deeper horror lies in what could have been prevented. Was this the work of demonic influence? Or a tragic failure to recognize the warning signs of a boy spiraling out of control?

The finale leans into that ambiguity, forcing us to consider how much of the “satanic panic” was projection — and how much was a desperate attempt to explain the unexplainable.

Watch the exclusive clip below, then tune in to the Let the Devil In finale on MGM+.

Because sometimes the scariest thing isn’t the devil you don’t know — it’s the demons we ignore right in front of us.

Let the Devil In Episode 4 premieres on Sunday, September 21.

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