Movie Forums - The Butterfly Effect
- Review of the film by LordSlaytan in which he rates the film 2 1/2 stars out of five.
- http://www.movieforums.com/reviews/the_butterfly_effect.html

Gnomon Publishing: The Butterfly Effect
- One-star review by Alex Rieneck - "...all the appeal of a major traffic jam on a hot, dry, windless day."
- http://www.gnomon.com.au/movies/alex-rieneck/thebutterflyeffect.shtml

CIN3MA Moving Pictures: The Butterfly Effect
- Review, rating,and pictures.
- http://www.cin3ma.tv/moving_pictures/reviews/b/butterfly_effect.shtml

The Butterfly Effect
- Includes a synopsis, cast and crew, media, and links.
- http://www.iconmovies.co.uk/thebutterflyeffect/

HARO Online
- Haro review of the movie in which he talks about the plot and cast.
- http://www.haro-online.com/movies/butterfly_effect.html

Butterfly Effect Official Movie Site
- Official site which includes the movie trailer, pictures, wallpapers, and screensavers.
- http://www.butterflyeffectmovie.com/

IMDb - Butterfly Effect, The
- Includes plot and cast information.
- http://www.imdb.com/title/tt0289879/