Season 4, Episode 18 The Hardest Part

First Aired: March 31, 2011

While examining his ailing mother (Louise Fletcher), Pete discovers that his brother (Kyle Secor) might be responsible for her illness. Meanwhile, Violet walks in on Sheldon just as he's about to go out with her critic, Marla (Alex Kingston); and Cooper treats a piano prodigy for a brain tumor that could keep him from playing.

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  • Premiered: September 26, 2007
  • Rating: TV-14
  • User Rating:4.17 out of 5 (1,075 ratings)
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  • Premise: A 'Grey's Anatomy' spin-off focusing on neonatal surgeon Addison Forbes Montgomery, who left Seattle Grace and moved to L.A., where she practices at (and owns) the upscale Oceanside Wellness Center. Colleagues include her boyfriend, Dr. Sam Bennett; pediat… (more)

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