"Suddenly Everything Has Changed" is the fifteenth episode of One Tree Hill and originally aired February 24th, 2004. The episode was written by Mark B. Perry and directed by David Carson.
As he recovers from the car accident, Lucas wastes no time in ending his relationship with Brooke so that he and Peyton can be together. However, Peyton soon regrets her actions when she witnesses Brooke's heartbreak. Nathan learns about his parents' pending divorce, and finds himself being pressured into taking sides. Meanwhile, Karen offers Jake a helping hand upon learning about his situation.
Contains examples of the following tropes:
- All for Nothing: Peyton ends things with Lucas to try to preserve her friendship with Brooke, only to find out that Brooke already knows the truth.
- Downer Ending: Peyton breaks things off with Lucas, not wanting to hurt Brooke any further; however, after Peyton returns home, Brooke confronts her with the knowledge of Lucas and Peyton's betrayal and ends her friendship with Peyton.
- Dramatic Irony: Peyton breaks things off with Lucas because she wants to preserve her friendship with Brooke, completely unaware that Brooke has already learnt the truth about Lucas and Peyton's affair.
- Kick the Dog:
- Lucas doesn't waste any time in breaking up with Brooke, doing so almost immediately after he returns home from the hospital.
- Dan blackmails Nathan into choosing to live with him over Deb by promising a quick divorce if Nathan does, but threatening to drag Deb’s reputation through the mud if Nathan goes with his mother.
- The Reveal: Haley not only has dreams of becoming a singer, but is actually a talented musician.
- Titled After the Song: The episode title is taken from the song "Suddenly Everything Has Changed" by The Flaming Lips.
