Lucas Scott has left town with his Uncle Keith to start a new life. It’s not long, however, before they second thoughts, prompted in part by Dan’s recent heart attack and the women they left behind. Peyton and Brooke, both angry that Lucas left without saying goodbye, try to mend their friendship. Meanwhile, Nathan Scott has married Haley in a union received with mixed reactions.
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Episode 1
The Desperate Kingdom of Love
After Lucas and Keith learn that Dan had a heart attack and is still in the hospital, they decide it is best for them to return to Tree Hill. When…
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Episode 2
The Truth Doesn’t Make a Noise
With the assistance of Peyton and Brooke, Lucas throws Nathan and Haley a wedding reception. Although Haley's parents support the marriage, Deb has a difficult time accepting it. Meanwhile, Dan's…
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Episode 3
Near Wild Heaven
Although Nathan and Haley are already married, Tim insists on throwing Nathan a post-wedding bachelor party, while Brooke throws Haley a bachelorette party. Meanwhile, Lucas tries to decide whether he…
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Episode 4
You Can’t Always Get What You Want
Brooke's new neighbor quickly makes his presence felt among the Tree Hill gang and even comes to Brooke's rescue when she is caught shoplifting. Nathan and Haley have their first…
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Episode 5
I Will Dare
Felix organizes a "dare night" to test the limits of his new classmates. While out playing the game, Lucas meets a mysterious new girl, Anna, and the two of them…
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Episode 6
We Might as Well Be Strangers
After Dare Night resulted in new arrangements, a midnight meteor shower finds Lucas sharing a romantic night with Anna. Andy surprises Karen with a dinner and Keith cooks for Jules…
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Episode 7
Let the Reigns Go Loose
The opening of Karen's club "Tric" brings together the people of Tree Hill. Lucas and Felix come to blows over Anna. After Chris quits his gig the night of the…
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Episode 8
Truth, Bitter Truth
The girls of Tree Hill have a slumber party, at which time secrets are revealed and bonds are made. Meanwhile, Nathan and Lucas road trip to Charlotte for a basketball…
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Episode 9
The Trick Is to Keep Breathing
Lucas takes Anna to the formal night but by the end of the night ends up with Brooke. After spending time with Chris, Haley arrives late to the formal which…
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Episode 10
Don’t Take Me for Granted
Nathan is concerned about Lucas' health, so he tells Karen that Lucas didn't take the heart test. Dan offers Keith to continue working at the dealership-as vice president. At school,…
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Episode 11
The Heart Brings You Back
Haley is surprised when her older sister Taylor comes to town, but not as shocked as Nathan, who recognizes Taylor from a past tryst. Brooke and Felix decide to become…
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Episode 12
Between Order and Randomness
Nathan comes clean with Haley about his past relationship with Taylor, although Haley continues to email Chris without telling Nathan and Taylor finds out. Lucas and Karen remain at odds…
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Episode 13
The Hero Dies in This One
When Michelle Branch & Jessica Harp from the band "The Wreckers" perform at TRIC, Haley realizes her passion is to pursue her music career. Meanwhile, Lucas decides to move in…
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Episode 14
Quiet Things That No One Ever Knows
As his marriage with Haley continues to go wrong, Nathan goes into a emotional crisis and becomes the "bad" Nathan of the past. Karen continues to struggle and try to…
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Episode 15
Unopened Letter to the World
When Tree Hill High does a time capsule project, the gang confesses their most intimate secrets to an anonymous video camera. Nathan's anger over Haley's absence continues to grow, landing…
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Episode 16
Somewhere a Clock is Ticking
Keith and Jules' wedding day, and the event has turned the town upside down. Brooke asks Lucas to take her to the wedding as his date, Nathan makes an important…
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Episode 17
Something I Can Never Have
Keith gets violent with Dan after learning that Dan paid Jules to fall in love with Keith. Anna turns Felix in to the school authorities after learning that he was…
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Episode 18
The Lonesome Road
On his way home from seeing Haley, Nathan stops to visit Taylor hoping for some fun and maybe more. Meanwhile, Anna gets a surprise visit from her ex-girlfriend and is…
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Episode 19
I’m Wide Awake, It’s Morning
Nathan's Uncle Cooper comes into town to take Nathan and Lucas on a racing trip. On the track, Nathan and Lucas are challenged to a race by the beautiful Daytona…
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Episode 20
Lifetime Piling Up
Lying in a coma after his race car accident, Nathan dreams of what life would have been like if Dan had stayed with Karen and Lucas instead of marrying Deb.…
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Episode 21
What Could Have Been
Nathan is released from the hospital and returns home to a pile of unpaid bills and an eviction notice. Lucas, Peyton and Brooke throw a fundraiser Tric to raise money,…
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Episode 22
The Tide That Left and Never Came Back / The Leavers Dance
Things heat up between Lucas and Brooke after they head to New York for an overnight stay with Haley. Nathan and Deb conspire to desert Dan for good, leading to…