21. All of a Sudden I Miss Everyone

Complete story — includes the ending

After confessing to killing Keith, Dan is imprisoned. Haley gives birth to her son, James Lucas Scott. While flatlining, Karen meets of Keith who tells her to go back and watch over their daughter and to look for him in the lilies. She then recovers and meets her daughter, naming her Lily. She visits Dan and spits at the glass door, telling him that she will never forgive him for Keith’s death. Rachel returns to host a post-graduation party where the gang celebrate and reminisce. Nathan and Haley attend but call Deb multiple times to check on the baby. Nathan and Lucas say they will visit Dan but then change their minds. Lucas accepts an assistant coaching job with Whitey. Dan attempts to hang himself but the tie breaks. When the clock strikes midnight, the gang are officially no longer in high school and head to the river court together. There, they promise to all return to Tree Hill in four years and promise each other they will be friends forever, no matter what. Nathan then asks Lucas if he wants a rematch (of their first game in the pilot) and the season ends with the friends laughing and cheering on the brothers. This episode is named after the fifth studio album from Explosions in the Sky. This marked the final appearance of Danneel Harris as a regular as her role was downgraded to recurring then to Guest star in later seasons.