One Tree Hill backdrop

One Tree Hill S9E1 — Know This, We've Noticed

8.2

One Tree Hill•Season 9•Episode 1

Know This, We've Noticed

8.2/10 · 455 votesJan 11, 201242 min

Ranked #6 of 13 in Season 9•−0.1 vs season avg

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

Directed byMark Schwahn

Written byMark Schwahn

Previous seasonSeason 8 Next episodeE2 · In the Room Where You Sleep

Seasons9

All 1 2 3 4 5 6 7 8 9

Season 9 Episodes13

Know This, We've Noticed still

E1 8.2Now viewing

Know This, We've Noticed

In the Room Where You Sleep still

In the Room Where You Sleep

Love the Way You Lie still

Love the Way You Lie

Don't You Want to Share the Guilt? still

Don't You Want to Share the Guilt?

The Killing Moon still

The Killing Moon

Catastrophe and the Cure still

Catastrophe and the Cure

Last Known Surroundings still

Last Known Surroundings

A Rush of Blood to the Head still

A Rush of Blood to the Head

Every Breath Is a Bomb still

Every Breath Is a Bomb

Hardcore Will Never Die, But You Will still

Hardcore Will Never Die, But You Will

Danny Boy still

Danny Boy

Anyone Who Had a Heart still

Anyone Who Had a Heart

One Tree Hill still

One Tree Hill

Cast12

James Lafferty

James Lafferty

Nathan Scott

Bethany Joy Lenz

Bethany Joy Lenz

Haley James Scott

Sophia Bush

Sophia Bush

Brooke Davis

Austin Nichols

Austin Nichols

Julian Baker

Robert Buckley

Robert Buckley

Clay Evans

Shantel VanSanten

Shantel VanSanten

Quinn James

Jackson Brundage

Jackson Brundage

Jamie Scott

Lee Norris

Lee Norris

Marvin 'Mouth' McFadden

Lisa Goldstein Kirsch

Lisa Goldstein Kirsch

Millicent Huxtable

Stephen Colletti

Stephen Colletti

Chase Adams

Tyler Hilton

Tyler Hilton

Chris Keller

Paul Johansson

Paul Johansson

Dan Scott

Crew2

M

Mark Schwahn

Writer

M

Mark Schwahn

Director

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"Know This, We've Noticed" is episode 1 of One Tree Hill season 9. It scored 8.2/10 from 455 votes, ranking #6 of 13 episodes this season (season average 8.3). Directed by Mark Schwahn and written by Mark Schwahn, it aired on January 11, 2012.

Next: E2 · In the Room Where You Sleep Best of Season 9