Change one thing. Change everything.
A young man struggles to access sublimated childhood memories. He finds a technique that allows him to travel back into the past, to occupy his childhood body and change history. However, he soon finds that every change he makes has unexpected consequences.
"The Butterfly Effect" is a gripping American science fiction thriller directed by Eric Bress and J. Mackye Gruber, released in 2004. Blending psychological drama with time-travel intrigue, the film explores the chaotic ripple effects of altering the past, inspired by chaos theory’s concept of small changes leading to massive outcomes. The story follows Evan Treborn (Ashton Kutcher), a college student haunted by blackouts and repressed memories from a traumatic childhood. Discovering a way to revisit his past by reading old journals, Evan inhabits his younger self (played as a child by Logan Lerman) to rewrite key moments—hoping to save his troubled friend Kayleigh (Amy Smart), her brother Tommy (William Lee Scott), and others from their grim fates. Each alteration, however, unleashes unforeseen and often devastating consequences, spiraling his life and those around him into darker realities. Noted for its intense narrative, multiple alternate endings, and Kutcher’s surprising dramatic turn, "The Butterfly Effect" balances emotional weight with unsettling twists. The film’s haunting score and gritty visuals amplify its exploration of fate, trauma, and the limits of control, leaving viewers questioning the cost of playing god. Released in 2004, "The Butterfly Effect" garnered mixed reviews but found a strong cult following, praised for its bold premise and emotional depth. A commercial success, it spawned direct-to-video sequels, though the original remains the standout, a thought-provoking dive into the fragility of time.
Year2004
Budget13000000$
Runtime120 min
Revenue96800000$
Watch online
GenresScience FictionThriller
Production countriesCanadaUnited States of America