Click now! Animal slaughter! Children massacre! A few traumatic classroom movies from the 70's. Read the full article on AICN Aloha yall. Tex Hula. Back in the early '80s, right before the VCR cart became a staple in the classrooms, we were still watching movies on a reel to reel projector. Most of the times it would be an outdated film from the 50's to 70's about science or nature.