Lindsey (Michaela McManus) returns for Jamie's (Jackson Brundage) fifth birthday, giving Lucas hope for their relationship. Dan (Paul Johannsson) divulges a grave secret.

It's Lucas and Lindsey's (recurring guest star Michaela McManus) wedding day and Peyton must choose whether to intervene or lose her true love forever. This is the series' 100th episode.

On the eve of their own wedding, Lucas and Lindsey (recurring guest star MICHAELA McMANUS) conspire to save Nathan and Haley's marriage.

Lucas picks up the pieces after being left at the altar by Lindsey (recurring guest star Michaela McManus), while Nathan and Haley deal with the repercussions of Jamie's (recurring guest star Jackson Brundage) abduction.

At the first Ravens basketball game of the season, Haley, Brooke, Peyton, Lindsey (recurring guest star MICHAELA McMANUS) and Mia (recurring guest star, musician KATE VOEGELE) find themselves locked in the Tree Hill High library.

Just who is Lindsey Strauss? Michaela shares the essence of her character on "One Tree Hill."

Michael Ausiello interviews Michaela McManus, Antwon Tanner, and Bethany Joy Galeotti from One Tree Hill.