Night of the Big Heat is a 1967 American science fiction film directed by Terence Fisher and starring Vincent Price, Peter Cushing, and Patrick Wymark. The film is about a group of scientists who are conducting experiments on a new type of weather control device. When the device malfunctions, it causes a massive heat wave that threatens to destroy the entire world. The film begins with a group of scientists led by Dr. Paul Kettering (Vincent Price) conducting experiments on a new type of weather control device. The device is designed to create rain by using a series of lasers to heat the atmosphere. However, the experiment goes wrong and the device causes a massive heat wave that quickly spreads across the globe. The heat wave causes widespread devastation, as crops fail, water supplies dry up, and people begin to die from heatstroke. The scientists realize that they must find a way to stop the heat wave before it destroys the entire world. They eventually come up with a plan to use the device to create a massive snowstorm that will cool the atmosphere. The plan works, and the heat wave is finally stopped. However, the scientists realize that they have created a new problem. The snowstorm is so large that it is blocking out the sun, and the world is plunged into darkness. The scientists must now find a way to stop the snowstorm before it causes even more damage. Night of the Big Heat is a suspenseful and exciting film that explores the potential dangers of scientific experimentation. The film features strong performances from its cast, and the special effects are impressive. Night of the Big Heat is a must-see for fans of science fiction and disaster films.