1. The Matrix (1999 movie)

Directed by the Wachowskis, "The Matrix" is a groundbreaking 1999 science fiction film that stars Keanu Reeves as Neo, a computer hacker who discovers that his reality is a simulated construct controlled by sentient machines. Guided by Morpheus (Laurence Fishburne) and Trinity (Carrie-Anne Moss), Neo embarks on a journey to uncover the truth and challenge the oppressive system. The film is renowned for its innovative visual effects, including the pioneering use of "bullet time," and its thought-provoking exploration of reality and free will.