There is an Ebook available at Amazon Kindle whats Like a Twilight Zone story but without the Twilight Zone franchise.
If it did have it would say,
A patient at a mental home hears a voice from the wall saying she's not mad and the truth will set her free by burning her body to just dry ashes. A few days later she is found to have died from spontaneous human combustion. her ghost appears to staff and claims responsibility for the mysterious disappearance of nineteen patients.
I remember watching the Twilight Zone as a kid. Not when they first aired, but it was just shortly thereafter (late 60s-early 70s). There is one episode that I remember watching that I can not find anywhere. It takes place on a movie set. The film crew, actors, actresses and director are all being killed one by one by something invisible. No one knows what to make of it & they dismiss the deaths as accidental. At the end there is a movie screen & in it you see the silhouette of a big hairy monster strangling someone. The only other part I remember is one of the camera men on a scaffold...