• Season 4 - Episode 16 : The End's Not Near, It's Here Feb 22, 2007

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    The fondest of farewells; what happens to the Cohens, the Coopers, Ryan and Taylor.

  • Season 4 - Episode 15 : The Night Moves Feb 15, 2007

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    The gang struggles to make sure everyone is OK after the earthquake hits; Seth does whatever it takes to be with Ryan and Taylor; Taylor finds out that family bonds are greater than she thinks; the Coopers are in an ice-cream shop.

  • Season 4 - Episode 14 : The Shake-Up Feb 8, 2007

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    Ryan and Taylor share some special words; Kaitlin decides to sabotage Frank and Julie's relationship; Kirsten realizes what Newport society is all about; Summer encourages Seth to find something about which to be passionate.

  • Season 4 - Episode 13 : The Case of the Franks Feb 1, 2007

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    Julie has a plan to make things right between Ryan and his dad; Julie continues to move things forward with Bullit; after they get a psychic reading, Summer wonders if she and Seth are right for each other.

  • Season 4 - Episode 12 : The Groundhog Day Jan 25, 2007

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    Kirsten gets news that will change her life forever; Julie has a secret love affair; a therapist gives Taylor rules by which to live; Che discovers that Seth is not his soul mate.

  • Season 4 - Episode 11 : The Dream Lover Jan 18, 2007

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    Che and Seth take a trip to the forest; Seth and Summer speak; Taylor decides that she can no longer speak to Ryan; Julie works her way back into Kirsten's life; Kaitlin shuts Will out.

  • Season 4 - Episode 10 : The French Connection Jan 11, 2007

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    Taylor's ex-husband gets a little too close to home while promoting his memoir; Seth asks Dr. Roberts for permission to marry Summer; Kaitlin realizes that she likes Will.

  • Season 4 - Episode 9 : The My Two Dads Jan 4, 2007

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    Kaitlin fails a class presentation and must work with Will; Seth and Summer move forward with their plans; Julie tells Kirsten of Frank's true identity.

  • Season 4 - Episode 8 : The Earth Girls Are Easy Dec 21, 2006

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    Summer ruins Ryan's romantic getaway plans; Summer's future rests in the hands of a raver the gang meets on the way to Las Vegas.

  • Season 4 - Episode 7 : The Chrismukk-huh? Dec 14, 2006

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    Ryan and Taylor realize that everything is not as it seems after they have an accident hanging holiday lights.

  • Season 4 - Episode 6 : The Summer Bummer Dec 7, 2006

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    Seth finds an empty dorm room when he visits Summer at Brown; Sandy and Kirsten find an opportunity to bond with Ryan, who is in a Taylor-induced haze; Julie learns that Newmatch is more than a dating service.

  • Season 4 - Episode 5 : The Sleeping Beauty Nov 30, 2006

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    Taylor comes up with a therapeutic plan to help Ryan get over his insomnia; Summer and Che take their activism to a new level at Brown, resulting in more freedom than they expect; Kaitlin helps save the dating service.

  • Season 4 - Episode 4 : The Metamorphosis Nov 16, 2006

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    Summer realizes that making the trip to Brown may have changed her forever; Seth continues to support transformed Summer through all her endeavors; Ryan empathizes with Taylor and helps her out of her bind.

  • Season 4 - Episode 3 : The Cold Turkey Nov 9, 2006

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    Summer packs to be with her family and Seth for the holiday; Julie is unable to deal with Kaitlin or Dr. Roberts and winds up spending much of the holiday alone.

  • Season 4 - Episode 2 : The Gringos Nov 8, 2006

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    Ryan leaves Orange County to end his turmoil; Seth finds new friends in Mexico, who help him find what he is looking for; the school's dean forces Kaitlin and Julie to work together on Harbor's clothing drive.

  • Season 4 - Episode 1 : The Avengers Nov 2, 2006

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    Marissa's death forces the young graduates into adulthood; forces pull Ryan back toward his old life; Summer makes a new life at college.