Title: Poker Face
Air Date: October 20, 2011 at 9:00 PM PDT
Meredith is on the outs at the hospital, so she must enlist Lexie to get Derek interested in a brain-tumor case. Meredith also gives April advice in secret about Bailey's clinical trial. Meanwhile, Arizona and Mark have finally become friends, but that proves more annoying than helpful to Callie; Alex and Teddy research different surgeries for the same patient; and Callie and Cristina struggle with a tough spinal surgery. Guests stars include Lee Majors and Marilu Henner. Click here to read the full recap.