Karen Roe was a central character in the early seasons of “One Tree Hill.” She was the mother of Lucas Scott, one of the show’s main characters, and owned a cafe called “Karen’s Cafe.” Over the course of the show’s run, Karen went through many ups and downs, including falling in love, becoming a mother, and dealing with financial and personal struggles.

In the show’s sixth season, Karen decides to leave Tree Hill and move to New Zealand with her daughter, Lily, and her boyfriend, Andy. The decision to write Karen off the show was not an easy one for the producers, as Karen was a beloved character among fans. However, the producers felt that it was time to shake things up and introduce new storylines and characters.
Moira Kelly, the actress who played Karen, had also expressed a desire to take a break from the show and spend more time with her family. In an interview with TV Guide, Kelly explained that she was ready to step back from the show and focus on her children, who were young at the time. She also mentioned that the decision to leave the show was a difficult one, as she had grown close to the cast and crew during her time on “One Tree Hill.”
Karen’s departure from the show was not without its emotional moments. In the final episode of the sixth season, Karen shares a heartwarming goodbye with her friends and family, including Lucas, who is now a father himself. Karen tells Lucas that she is proud of the man he has become and that she will always be there for him, no matter where she is in the world.
Despite Karen’s departure from the show, her character continued to have an impact on the story. In the seventh season, it is revealed that Karen has left Lily in the care of Lucas and his wife, Peyton, while she travels the world. This leads to a storyline in which Lucas and Peyton struggle with the responsibilities of parenthood and their own personal issues.
Karen also makes a brief appearance in the show’s ninth and final season, where she returns to Tree Hill to attend Brooke’s wedding. During the wedding reception, Karen shares a touching moment with Lucas, in which she tells him how proud she is of him and how much she loves him.
In the end, Karen’s departure from “One Tree Hill” marked the end of an era for the show. Her character had been a part of the show’s fabric from the very beginning, and her absence was felt by both the characters and the fans. However, Karen’s legacy continued to live on, as her impact on the show’s story and characters remained long after her departure.