what episode of one tree hill does haley find out she's pregnant
One Tree Hill (season 4)
This season focuses on the final half of senior year at Tree Hill High School . Nathan and Haley find out that they are going to have a baby . Lucas starts writing a novel , while also questioning what really happened on the day of the school shooting . Nathan gets involved with some shady characters after he and Haley start having money problems . Peyton finds out she has a brother , but he may not be who he says he is . Brooke becomes friends with Rachel and starts a relationship with newcomer Chase . Dan tries to get close to Karen and help her with Keith 's baby .
This season focuses on the final half of senior year at Tree Hill High School . Nathan and Haley find out that they are going to have a baby . Lucas starts writing a novel , while also questioning what really happened on the day of the school shooting . Nathan gets involved with some shady characters after he and Haley start having money problems . Peyton finds out she has a brother , but he may not be who he says he is . Brooke becomes friends with Rachel and starts a relationship with newcomer Chase . Dan tries to get close to Karen and help her with Keith 's baby .