The Gateway (2018) is a Science Fiction film that follows a particle physicist grieving over the loss of her husband in a car crash uses a revolutionary machine to bring him back, with dire consequences for her family. Currently, you can watch The Gateway on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Apple TV Store. Streaming availability may vary by country and platform over time. It has a user rating of 5.5 out of 10 from 53 votes. Fans of science fiction movies may also want to explore similar titles below.