What if every small decision you made could change your whole life? In The Butterfly Effect, Evan Treborn discovers that by going back in time and changing little moments from his past, he can fix big problems in his future—but each change brings even more surprising consequences.

One key moment is when Evan goes back in time to try to stop his childhood friend from getting hurt. He thinks it’s the right thing to do, but when he changes it, everything else gets even worse. What if he had just left things the way they were? Could his life have turned out better?

Fans love imagining What If scenarios—what if Evan could go back one last time and fix everything perfectly? Or what if he didn’t have to keep reliving the same mistakes over and over? Some wonder if there are other people with the same ability, and what would happen if they met.

An alternate ending could show Evan realizing the best thing to do is to leave the past behind and move forward without trying to change it. A prequel might dive into Evan’s childhood, exploring the hidden moments that led to his strange power. Either way, The Butterfly Effect leaves us thinking about how even the smallest actions can change everything.