1972/15: The Thing with Two Heads 1972

 Trailer:

 Watch movie:

https://youtu.be/9BOnUobhm6U?si=O3IK58NaBidIqxQ0 

 https://en.wikipedia.org/wiki/The_Thing_with_Two_Heads

https://www.moriareviews.com/horror/thing-with-two-heads-1972.htm 

http://www.1000misspenthours.com/reviews/reviewsn-z/thingwithtwoheads.htm 

https://andyoucallyourselfascientist.com/2022/09/21/the-thing-with-two-heads-1972/