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22 Episodes 2008 - 2008
Episode 1
Mon, Aug 18, 200822 mins
Season four kicks off with tensions nearing a breaking point between Audrina and Lo.

Episode 2
Mon, Aug 25, 200822 mins
When Lauren runs into Spencer at Stephanie's birthday, the birthday girl finds herself at odds with her brother and her friend.

Episode 3
Mon, Sep 1, 200822 mins
Lauren begins to realize that the chemistry she felt for Doug in high school may no longer be there.

Episode 4
Sun, Sep 7, 200821 mins
A blowout trip to Vegas breaks down when Audrina snubs Lauren, Brody brings up Stephanie's past, and the boys end up in jail.

Episode 5
Mon, Sep 8, 200820 mins
Lauren and Audrina fight to save their friendship, but it might be too late.

Episode 6
Mon, Sep 15, 200821 mins
Heidi's sister Holly reaches out to Lauren, forcing both Lauren and Heidi to reconsider what happened to their friendship.

Episode 7
Mon, Sep 22, 200822 mins
Lauren leaves for family vacation, and things in Los Angeles go awry. Stephanie dates Doug behind Lauren's back, and Audrina gets friendly with Heidi.

Episode 8
Mon, Sep 29, 200821 mins
The truth finally comes out about Stephanie's relationship with Lauren's ex-boyfriend Doug when they all meet up for the first time at Doug's pool party.

Episode 9
Mon, Oct 6, 200821 mins
Lauren gets a letter of apology from Heidi and realizes there's only one thing keeping them from being friends again.

Episode 10
Mon, Oct 13, 200822 mins
Audrina reconnects with an old flame Cory and finds herself juggling two guys.

Episode 11
Mon, Oct 20, 200821 mins
Lauren and Audrina travel to Cabo for Brody's birthday, but when Justin gets jealous of Audrina's new relationship, the party turns into a fight.

Episode 12
Mon, Oct 27, 200821 mins
Lauren tries to make peace between Brody and Stephanie.

Episode 13
Mon, Nov 3, 200821 mins
Audrina gets her own place, hoping Justin will move in with her but everyone fears she is moving for the wrong reason.

Episode 14
Mon, Nov 10, 200821 mins
Whitney travels to New York expecting to reconnect with Alex, but a new boy named Jay steals her away.

Episode 15
Mon, Nov 17, 200821 mins
Lauren lets Heidi's sister crash at her place.

Episode 16
Mon, Nov 24, 200822 mins
A rumor about Lauren and Justin threatens to ruin Lauren and Audrina's friendship for good.

Episode 17
Mon, Dec 1, 200821 mins
Audrina tries to save her friendship with Lauren after accusing her of hooking up with Justin.Â

Episode 18
Mon, Dec 8, 200821 mins
Whitney gets offered a chance at her dream job in her New York, and hopes to see Jay while she's there.

Episode 19
Mon, Dec 15, 200821 mins
Spencer and Heidi ignore the concerns of their families and runaway to Mexico to elope.

Episode 20
Mon, Dec 22, 200829 mins
When Lauren and Heidi have a run-in, they put their feud aside and remember why they used to be friends.

Episode 21
Mon, Dec 22, 2008
Episode 22
Mon, Dec 22, 2008