Limitless (2011) is a Thriller, Mystery, Science Fiction film that follows the life of an unsuccessful writer is transformed by a top-secret 'smart drug' that allows him to use 100% of his brain and become a perfect version of himself. His enhanced abilities soon attract shadowy forces that threaten his new life. Currently, you can watch Limitless on Amazon Prime Video, Peacock Premium, Amazon Prime Video with Ads, Peacock Premium Plus. Streaming availability may vary by country and platform over time. It has a user rating of 7.2 out of 10 from 11,450 votes. Fans of thriller movies may also want to explore similar titles below.