Rewatch: The Butterfly Effect (2004)

Evan Treborn, a college student, discovered he can time travel when he reads entries from his journals around the time when he had blackouts during childhood. But when he do small changes during his time travel, it cause a massive change on his present, for the better or worse. Each massive change also damages his brain that might prevent him from traveling further. Can he make his life or those around him for the better?