Episode 27 of "Grey's Anatomy"
s02e18 Yesterday
Title: Yesterday
Original Air Date: 02/19/2006 on ABC
Plot Outline:
Someone from Derek and Addison's past arrives in Seattle and shakes things up. Meanwhile, Burke learns about Christina's secret and, after a visit with her mother, Meredith looks into more of her family's dirty laundry.
Episode Pictures:
