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The Unaired Pilot takes place in the past. It tells the story of Karen and Dan and how she got pregnant. Then, after Dan marries Deb it goes into the future further where Lucas has his first day at Tree Hill High. He meets mouth and others and realizes that maybe basketball is for him. That is until him and Nathan get into a fight about Dan. This is where it all begins.

The making of "One Tree Hill". Behind-The-Scenes Cast/Crew Retrospective

Interview with the stars as they share their memorable moments from the series.