OTH

The third season consisted of 22 episodes and aired between October 5, 2005 and May 3, 2006.

Three months later, things pick up where they left off at the beginning of the summer. Lucas and Peyton spent their summer together and are hiding a secret from Brooke when she returns from California and proposes a non-exclusive relationship with Lucas. Brooke takes pity on a homeless Haley and takes her on as her roommate. Haley tries to win back Nathan, who has spent the summer at "High Flyers", a 篮球 camp, however Nathan isn't ready to trust Haley again. He pays Chris to come back to Tree...

The 秒 season consisted of 23 episodes and ran from September 21, 2004 to May 24, 2005.

After Lucas and Keith learn of Dan's 心 attack, they return to 树 爬坡道, 小山 and Dan decides he wants to get to know Lucas. Lucas cautiously enters into a relationship with his father. After Dan learns that Lucas has inherited his hypertrophic cardiomyopathy (HCM), the genetic defect which caused Dan's own 心 attack, he convinces Lucas to 移动 in with him and pays for his medication, keeping his condition a secret. Dan also agrees to stay away from Keith and his girlfriend Jules (guest star, Maria Menounos)...