The butterfly effect is a metaphor for sensitive dependence on initial conditions in chaos theory. Butterfly effect may also refer to: Books Butterfly Effect, a collection of poetry by Harry Humes Murder in Maine: The Butterfly Effect, a novel by Mildred B. Davis and Katherine Roome A Sound of Thunder, 1952 short story by Ray Bradbury Film and television El efecto mariposa, a 1995 Spanish film whose title translates to "The Butterfly Effect" The Butterfly Effect, a 2004 film, followed by two sequels "The Butterfly Effect" (Heroes), an episode of Heroes Two episodes of Ugly Betty: "The Butterfly Effect Part 1" "The Butterfly Effect Part 2 (Ugly Betty)" "Butterfly Effect" (Unforgettable), an episode of Unforgettable Music The Butterfly Effect (band), an Australian hard rock band The Butterfly Effect (EP), a 2001 EP by the band Butterfly Effect (Ashley Roberts album), 2014 Butterfly Effect, a 2020 album by Koven The Butterfly Effect (Moonspell album), 1999 The Butterfly Effect, a 2009 album by Diana Yukawa "Butterfly Effect" (Shiritsu Ebisu Chugaku song), 2014 "Butterfly Effect" (Travis Scott song), 2017 "Butterfly Effect", a song by Exo on the album Obsession "Butterfly Effect", a song by VIXX on the album Hades Also see Butterfly effect in popular culture