​Torture Garden (1967)
Summary: An anthology of four horror stories with a wraparound involving people who visit a fairground haunted-house attraction show, hosted by Dr. Diabolo.
  • “Enoch:” a playboy falls under the spell of his uncle's cat and must repeatedly kill in order to satisfy the animal's craving for human heads.
  • “Terror Over Hollywood:” a Hollywood starlet discovers that her co-stars’ robotic performances are just that.
  • “Mr. Steinway:” a possessed grand piano becomes jealous of its owner’s new love interest and takes action. 
  • “The Man Who Collected Poe:” an avid collector of all things Edgar Allan Poe resorts to murder in order to possess the ultimate Poe collectible.​

Bloch: “In the first story, I objected strenuously to introducing a visible familiar in the form of a cat; I thought I’d won that fight, but when the picture went into production, lo and behold, a cat had been written in.”—The Robert Bloch Companion
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Category: Motion Picture
Script: An original screenplay written by Bloch; the tales adapted by Bloch from his short stories of the same name.
IMDB page: Torture Garden
"Build your own Torture Garden!"
When the film premiered in 1967 one of the promos was a pack of Torture Garden seeds given to patrons as they entered the theater. The seeds were actually grass seeds.
From the official pressbook (click for larger image):