Effect (2004) - The Butterfly

: Evan attempts to change his past to save his childhood friends—particularly his love interest, Kayleigh (Amy Smart)—from various tragedies, including abuse and accidental deaths.

: Adhering to its title's namesake in chaos theory, every small change Evan makes triggers massive, often horrific ripple effects in the present. He wakes up in alternate realities ranging from being a successful fraternity brother to a double-amputee or a prisoner. Production & Reception The Butterfly Effect (2004)

: Despite poor critical reception upon its release on 23 January 2004, the film was a commercial hit, grossing over $96 million worldwide on a modest $13 million budget . : Evan attempts to change his past to

: Evan travels back to his first meeting with Kayleigh and scares her away so they never become friends. Years later, they pass each other on a sidewalk and, after a moment of recognition, continue walking separately. Production & Reception : Despite poor critical reception

: While critics at the time—like Roger Ebert —found the plot logic flawed or the tone overly dark, the film has since gained a significant cult following for its ambitious storytelling and "what if" scenarios.

: Evan suffers from severe blackouts during traumatic childhood events. As an adult, he realizes these blackouts were actually "openings" where his adult consciousness was replacing his child mind.

: The film features supporting performances by Amy Smart , Eric Stoltz, Elden Henson, and a young Logan Lerman. The Infamous Alternate Endings