Despite the reviews, I thought the first Butterfly Effect was good. I've seen it several times since it first came out.

The Butterfly Effect movies are about an individual who travels through time, and then has to deal with unexpected consequences. The title refers to the butterfly effect, a popular hypothetical ...

Ever seen the movie The Butterfly Effect? The movie depicts the so-called butterfly effect—a hypothetical situation where small initial differences can lead to huge unforeseen consequences over time.