Grey's Anatomy Season 5 Episode 4
Brave New World
Meredith is sent into a state of panic when Derek finds her mother's diary in the house. Meanwhile, Callie stresses while preparing for her first date with Erica. Later, Cristina stumbles across a part of the hospital no one has ever seen before.
Guest Stars
Brooke Smith
Erica Hahn
Steven W. Bailey
Joe
Gloria Garayua
Intern Graciella
Mark Saul
Steve
Amy Aquino
Marianne Grandy