"At The Bottom Of Everything" is the seventeenth episode of the seventh season of One Tree Hill and the 147th produced episode of the series. It was broadcast on 15 February 2010. Nathan tries to help Haley and Jamie confront Lydia's seemingly hopeless situation, while Brooke and Julian navigate their volatile relationship in the midst of a hectic movie shoot. Meanwhile, Clay and Quinn spend some time apart, and Miranda tries to prove to Grubbs that she's the right person to produce his album.