6x01

The fourth season consisted of 21 episodes and ran from September 27, 2006 to June 13, 2007.

As the end of High School approaches, everyone finds themselves at a crossroads in their lives. Nathan survives the accident and after some initial confusion, Haley is revealed to be pregnant while Rachel turns her attentions to Nathan after Cooper leaves town, using Nathan's theory that it was really Keith who saved him from the accident to get Nathan's attention. Rachel backs off when she learns that Haley is pregnant and Nathan later learns that he had a vision of Keith and it was this vision that...

You've been getting to know them as Clay and Quinn; the new faces on 'One árvore Hill', now see what Robert Buckley and Shantel VanSanten have to say about getting adjusted to life in árvore colina and how their characters will be affecting the town's original residents.

Buckley and VanSanten recently discussed with Denise Gideon on the One árvore colina podcast how they had no easy task coming onto an established show with a cast that's been together for six seasons.

"There was definitely an immense amount of pressure coming in... you want to prove to everyone that you're just as dedicated as they are...