<Li> Vaughn Wilson as Fergie Thompson (1 episode) </Li> <Li> Katherine Landry as Madison (1 episode) </Li> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 175 </Th> <Td> </Td> <Td> "Know This, We've Noticed" </Td> <Td> Mark Schwahn </Td> <Td> Mark Schwahn </Td> <Td> January 11, 2012 (2012 - 01 - 11) </Td> <Td> 3X7201 </Td> <Td> 1.72 </Td> </Tr> <Tr> <Td_colspan="8"> <P> As Brooke and Julian begin to adjust to life with their new children, Haley and Nathan find themselves dealing with similar issues . Although they don't know it yet, faces from the past threaten to interrupt plans for all their futures . Meanwhile, a mysterious problem arises for Clay and Quinn . Nathan finds out Dan Scott came back into town . Chris Keller returns to run Redbedroom Records . </P> This episode is named after a song by An Horse . </Td> </Tr> <Tr> <Th> 176 </Th> <Td> </Td> <Td> "In the Room Where You Sleep" </Td> <Td> Joe Davola </Td> <Td> Mark Schwahn </Td> <Td> January 18, 2012 (2012 - 01 - 18) </Td> <Td> 3X7202 </Td> <Td> 1.53 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Brooke discusses a new business venture with her father, despite her mothers wishes, as Julian stresses about his own investment in a sound studio . Quinn convinces Clay to get help, and Millie struggles to be honest with Mouth about his weight gain . Meanwhile, Chase asks Alex to move in with him as Chris Keller makes Alex an offer she may not be able to refuse to tour . Nathan volunteers to scout in Europe, leaving Dan with Haley, Jamie, and Lydia . </P> This episode is named after a song by Dead Man's Bones . </Td> </Tr> <Tr> <Th> 177 </Th> <Td> </Td> <Td> "Love the Way You Lie" </Td> <Td> Paul Johansson </Td> <Td> Lenn K. Rosenfeld </Td> <Td> January 25, 2012 (2012 - 01 - 25) </Td> <Td> 3X7203 </Td> <Td> 1.46 </Td> </Tr> <Tr> <Td_colspan="8"> <P> After Alex leaves for her tour, Chris looks to hire an intern and tries to cheer up Chase . Haley runs into trouble at Karen's Cafe when her chef quits to work for a rival cafe . Clay arouses suspicion in Quinn that he is cheating on her . Meanwhile, Millie accidentally humiliates Mouth on the air . Brooke tries to help her father secure funding for her new clothing line, and Julian gets distracted by the prospect of a potential renter for his sound stage, resulting in Julian forgetting his son, Davis, in the family car, to which the police and an ambulance have been alerted . </P> This episode is named after a song by Eminem and Rihanna . </Td> </Tr> <Tr> <Th> 178 </Th> <Td> </Td> <Td> "Don't You Want to Share the Guilt?" </Td> <Td> Les Butler </Td> <Td> Nikki Schiefelbein </Td> <Td> February 1, 2012 (2012 - 02 - 01) </Td> <Td> 3X7204 </Td> <Td> 1.52 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Clay gets into trouble and Quinn gets involved; Julian deals with his guilt over leaving the baby in the car; Mouth agrees to take care of his health but continues eating when Millie is asleep . Meanwhile, a new cafe opens and the owner immediately angers Brooke and Haley . </P> This episode is named after a song by Kate Nash . </Td> </Tr> <Tr> <Th> 179 </Th> <Td> 5 </Td> <Td> "The Killing Moon" </Td> <Td> Greg Prange </Td> <Td> Shaina Fewell </Td> <Td> February 8, 2012 (2012 - 02 - 08) </Td> <Td> 3X7205 </Td> <Td> 1.35 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Nathan seems to have vanished on his way home, Haley goes searching for him and ultimately suspects Dan of having something to do with it . Tara gives Brooke a cockroach - infested flower as a "Face to face friends request", ultimately causing Brooke to destroy Tara's cafe after Tara gets personal in her attacks . Chase continues to feel guilty for sleeping with Tara behind Chris Keller's back . Chase also feels unwanted after Chuck spends all his attention on Keller and later his father, who finally comes back home . Clay checks into rehab, and Quinn spends the day babysitting Jamie & Lydia . </P> This episode is named after a song by Echo and the Bunnymen . </Td> </Tr> <Tr> <Th> 180 </Th> <Td> 6 </Td> <Td> "Catastrophe and the Cure" </Td> <Td> James Lafferty </Td> <Td> Roger Grant </Td> <Td> February 15, 2012 (2012 - 02 - 15) </Td> <Td> 3X7206 </Td> <Td> 1.40 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Dan enlists Julian to help in his search for Nathan . Mouth fills Clay in about Nathan, as Haley explains Nathan's disappearance to Jamie . Brooke gets an idea of how to bring patrons to an empty Karen's Cafe, and Chris Keller confronts Chase about Tara . </P> This episode is named after a song by the band Explosions in the Sky . </Td> </Tr> <Tr> <Th> 181 </Th> <Td> 7 </Td> <Td> "Last Known Surroundings" </Td> <Td> Austin Nichols </Td> <Td> Mark Schwahn </Td> <Td> February 22, 2012 (2012 - 02 - 22) </Td> <Td> 3X7207 </Td> <Td> 1.43 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Haley seeks help from Lucas (guest star Chad Michael Murray) as Nathan makes an escape attempt . Lucas takes Jamie and Lydia out of town to stay with him and Peyton until Haley can find Nathan and bring him home . Brooke comes face - to - face with Xavier who is up for parole . Julian uncovers evidence that assists Dan in his search for Nathan . Clay makes a connection with another patient in rehab . </P> Episode is named after a song by the band Explosions in the Sky . </Td> </Tr> <Tr> <Th> 182 </Th> <Td> 8 </Td> <Td> "A Rush of Blood to the Head" </Td> <Td> Greg Prange </Td> <Td> Johnny Richardson </Td> <Td> February 29, 2012 (2012 - 02 - 29) </Td> <Td> 3X7208 </Td> <Td> 1.57 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Haley gets a phone call that may change her life forever . Clay receives life changing news while revisiting his past . While Dan revisits his past during his search for Nathan, Deb returns . Haley goes to identify a body that is thought to be Nathan . Chase goes to extreme measures to protect Chuck . </P> This episode is named after a song and album by Coldplay . </Td> </Tr> <Tr> <Th> 183 </Th> <Td> 9 </Td> <Td> "Every Breath Is a Bomb" </Td> <Td> Peter B. Kowalski </Td> <Td> Ian Biggins </Td> <Td> March 7, 2012 (2012 - 03 - 07) </Td> <Td> 3X7209 </Td> <Td> 1.47 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Haley partners up with Dan to help search for Nathan . Brooke and Julian take new measures to protect their family . Chase faces consequences for defending Chuck . Skills helps Mouth get to a turning point . Clay reveals his past to Logan . </P> Episode is named after a song by the band The Blood Brothers . </Td> </Tr> <Tr> <Th> 184 </Th> <Td> 10 </Td> <Td> "Hardcore Will Never Die, But You Will" </Td> <Td> Mark Schwahn </Td> <Td> Mark Schwahn </Td> <Td> March 14, 2012 (2012 - 03 - 14) </Td> <Td> 3X7210 </Td> <Td> 1.52 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Dan, Julian and Chris Keller attempt to rescue Nathan . During the rescue, Nathan is saved and Dan kills most of the attackers . When they are about to escape, Dan is shot by Demetri before he himself is shot by Nathan . Brooke's conflict with Xavier escalates when he attacks her in a parking garage, she is saved by the rival cafe owner Tara, who tasers him . Clay and Quinn revisit the past . </P> Episode is named after an album by the band Mogwai . </Td> </Tr> <Tr> <Th> 185 </Th> <Td> 11 </Td> <Td> "Danny Boy" </Td> <Td> Joe Davola </Td> <Td> Mike Herro & David Strauss </Td> <Td> March 21, 2012 (2012 - 03 - 21) </Td> <Td> 3X7211 </Td> <Td> 1.50 </Td> </Tr> <Tr> <Td_colspan="8"> <P> After successfully rescuing Nathan, Dan's life hangs in the balance . Nathan looks back on his father's life and forgives him for all he has done . Brooke's father surprises her when he comes back into town . Clay and Quinn reconnect with Logan . </P> Episode is named after a song by Andy Williams . </Td> </Tr> <Tr> <Th> 186 </Th> <Td> 12 </Td> <Td> "Anyone Who Had a Heart" </Td> <Td> Sophia Bush </Td> <Td> Brian L. Ridings </Td> <Td> March 28, 2012 (2012 - 03 - 28) </Td> <Td> 3X7212 </Td> <Td> 1.34 </Td> </Tr> <Tr> <Td_colspan="8"> <P> As Haley prepares to present the annual Tree Hill Burning Boat Festival, Brooke uses the opportunity to process her father's betrayal, while Julian tries to breathe new life into a past idea . Mouth and Millie make a change to their morning show, and Clay and Quinn get ready for Logan's first night at the beach house . Clay proposes to Quinn and Chase is offered to buy the bar . </P> This episode is named after a song by Dionne Warwick and later Cilla Black . </Td> </Tr> <Tr> <Th> 187 </Th> <Td> 13 </Td> <Td> "One Tree Hill" </Td> <Td> Mark Schwahn </Td> <Td> Mark Schwahn </Td> <Td> April 4, 2012 (2012 - 04 - 04) </Td> <Td> 3X7213 </Td> <Td> 1.43 </Td> </Tr> <Tr> <Td_colspan="8"> <P> In the final chapter of One Tree Hill, the tenth anniversary of Tric brings old faces and new possibilities for the Tree Hill family; Quinn adopts Logan and marries Clay, Haley introduces Jamie to her predictions with Lucas and Julian buys Brooke her childhood home . In the time - jump, the Tree Hill gang are seen at Jamie's high - school basketball game, where his jersey is seen on the wall as the "all time top scorer". Bevin makes a guest appearance who is also seen back with Skills and Millie is pregnant . </P> This episode is named after a song by U2 and the series title itself . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr>

When do they find nathan on one tree hill