In this gripping 1971 science fiction thriller, a team of elite scientists is assembled to investigate a deadly extraterrestrial microorganism that has wiped out a small town. As they work in a high-tech underground laboratory, they race against time to understand and contain the mysterious pathogen before it spreads further. Directed by Robert Wise, the film is noted for its realistic portrayal of scientific procedures and its tense, methodical pacing. The cast includes Arthur Hill, David Wayne, and James Olson, who deliver compelling performances. For those interested, the movie can be viewed for free on 123Movies / Movies123.