In the first hour, "Who We Are," Amelia resurfaces with her boyfriend after last week's 12-day Lindsay Lohan imitation. The group stages an intervention, which, naturally, Amelia doesn't take very well, and "mercilessly attacks" each person. In the second hour, "The Breaking Point," Amelia (spoiler alert!) decides to enter rehab, and goes through detox with an 18-year-old girl, which should provide some moving moments to balance out crazy-attacking-everyone Amelia. We hear from the other characters' lives in this episode, too, finally; Cooper's bond with his son is tested with a patient in need, Peter and Violet's marriage hits the tipping point, and Addison collapses from her fertility treatments. Good thing holidays are coming up -- these people could certainly use some time off.

Private Practice airs tonight at 10 PM on ABC.

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