Proof

In “Proof” (2005), Catherine is a dedicated daughter in her late twenties devoted to her father, Robert, an eminent mathematician whose grasp on reality starts to diminish. With Robert’s descent into madness, Catherine is troubled by the thought that she might have inherited both his mental instability and his mathematical brilliance. The unveiling of Robert’s groundbreaking mathematical proof creates repercussions that affect everything around them. **Watch “Proof” online.** Streaming platforms like cineby and 123Movies make it easy to watch “Proof” (2005) for free. You’re already on this site, so enjoy streaming it here.