Horror History Horror Movies Horror History: Thursday, December 25, 1980: Altered States was released in theaters 4 Evil Eyes December 25, 1980 A Harvard scientist conducts experiments on himself with a hallucinatory drug and an isolation chamber that may be causing him to regress genetically. BUY IT NOW! Blu-ray DVD Amazon Prime Tags: horror Horror History ad Altered States Post navigation Previous Horror History: Friday, December 19, 1980: New Year’s Evil was released in theatersNext Horror History: Friday, January 23, 1981: Blood Beach was released in theaters Related Stories Altered States : Purgatori Grindhouse #1 Available January 8 Comic Books Comic Releases Horror Altered States : Purgatori Grindhouse #1 Available January 8 January 2, 2025 Pool of Madness – Official Trailer Horror Trailers / Clips Video Games Pool of Madness – Official Trailer November 9, 2026 James Gunn and Peter Safran Step Down at DC Studios as Marvel Alum Jeremy Latcham Takes Over Movies Press Releases Breaking Horror James Gunn and Peter Safran Step Down at DC Studios as Marvel Alum Jeremy Latcham Takes Over November 9, 2026