Butterfly Effect Official Movie Site
Official site which includes the movie trailer, pictures, wallpapers, and screensavers.
CIN3MA Moving Pictures: The Butterfly Effect
Review, rating,and pictures.
HARO Online
Haro review of the movie in which he talks about the plot and cast.
Movie Forums - The Butterfly Effect
Review of the film by LordSlaytan in which he rates the film 2 1/2 stars out of five.
The Butterfly Effect
Includes a synopsis, cast and crew, media, and links.
The Butterfly Effect
A Flash game based on the film, with prizes for fastest times.