The dysfunctional teenagers of "One Tree Hill" are back tonight for one final high school hurrah. Rachel returns to host a graduation party for the senior class, at which all kinds of wackiness is sure to ensue.
Not only is tonight's episode the season finale, it's also our last chance to see "One Tree Hill" the way we've always known it. When the show returns next year for its fifth season, it will be dramatically retooled, jumping four years into the future. Online college diaries will start appearing online in the fall to help fill in the gaps, but that still sounds like a lot of time to skip. What stories would you like to see wrapped up before the four-year leap? To watch a preview for tonight's episode,
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