Night of the Bloody Apes (1969) Transplanted ape heart causes guy to... go ape. Ridiculous. Unrelated female luchador subplot doesn't help. TIL: The Church is fine with organ transplants as long as the risks to the donor are proportionate to the good sought for the recipient.
Also, Fatima is now streaming on Netflix You can check out my original review for Aleteia to see if it's worth the watch.