An experiment, this act has a mysterious ring to it. Looking back at the history of mankind, we can see that many cruel acts have been committed in the name of experimentation. Yes, everyone loves cruel experiments! 11 stories in total, including the title story, "The Laboratory of Terror," Night 1: "The Sound of a Knock" and "Eggs," Night 2: "Hair" and "Life Ball," Night 3: "Mirror" and "Bird," Night 4: "Taxidermy" and "Umbrella Woman," as well as Ochazuke Nori's Special Horror Theater stories, "The Devil's Box" and "Jealousy!! Oil Hell," plus a bonus four-panel laboratory story.