The Green Slime - movie trailer

Movie trailer for The Green Slime (1968) starring Robert Horton, Luciana Paluzzi, Richard Jaeckel, Bud Widom, Ted Gunther
Astronauts unwittingly bring a green slime from an asteroid back to their space station. When exposed to blood, it grows into red-eyed tentacled monsters that quickly multiply and threaten to spread to Earth.
https://family-friendly-movies.com/science-fiction/the-green-slime-science-fiction-monster-movie/