Grey's Anatomy Photo Gallery: "Shiny Happy People"

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On Thursday's all-new Grey's Anatomy, Alex treats a troubled teenage patient Hayley (guest star Demi Lovato), whose parents bring her in for severe schizophrenia (see sneak peek).

Meanwhile, an elderly patient admitted for a heart condition sees a familiar face, a long lost love (guest star Marion Ross) who happens to be in the E.R. as well for a fractured arm.

Meredith can't help but tell Cristina about her growing suspicions of Owen, which inevitably messes with Cristina's head, and tension continues to build around Owen and Teddy.

Click to enlarge Grey's Anatomy pictures from "Shiny Happy People" ...

Another Difficult Task
Brain Scanning
Alex Working His Magic
Brain Woes
A. Karev Pic
Alex and the Patient's Family
Two Senior Citizens
Scanning Both Sides of the Brain
The Man to Help
Alex and His New Patient
Teddy Under Fire
Richard and Owen Photo
Richard, Teddy and Owen
The Former Chief
Owen, Teddy Pic
Teddy Altman Image
Karevtastic
Karev to the Rescue
Watchful Observers
Demi Lovato Guest Stars
Demi Lovato Cut Up

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.

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Grey's Anatomy Quotes

[walking by Izzie's room]
Meredith: Hot.
Sadie: Horny.

Sexual sorbet? Hahaha! I love it.

Bailey