[s9e1] Know This, We've — Noticed

: Clay begins experiencing strange episodes of sleepwalking, once waking up in a park with no memory of how he got there. Despite Quinn’s pleas for him to seek medical help, he initially remains in denial.

The episode intertwines the chaotic early days of parenthood with mysterious, looming threats:

: The episode ends on an ominous note with someone watching Haley’s house from the shadows, setting a dark tone for the final season. Production Details & Trivia Original Air Date : 11 January 2012. [S9E1] Know This, We've Noticed

You can find more detailed reviews and episode breakdowns on platforms like IMDb and the One Tree Hill Wiki .

: Chris Keller returns to Tree Hill after a five-year absence to run Red Bedroom Records, immediately clashing with Alex over her music production. : Clay begins experiencing strange episodes of sleepwalking,

: After his diner burns down, Dan returns to Tree Hill seeking a place to stay. Although hesitant due to his dark history, Haley eventually allows him to stay for a few days, leading to a tense confrontation when Nathan returns home to find Dan holding his daughter, Lydia.

: This episode features the first on-screen appearance of Brooke’s father, Ted Davis. Production Details & Trivia Original Air Date :

"One Tree Hill" Know This, We've Noticed (TV Episode 2012) - IMDb