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.
| Title | Brave New World |
|---|---|
| Genres | Drama |
| Release Date | 2008-10-16 |
| Episode Runtime | 00 Hours 53 Minutes |
| Season Number | 5 |
| Episode Number | 4 |
| Production Companies | The Mark Gordon Company, shondaland, ABC Studios, Touchstone Television, Entertainment One Television, Lionsgate Television, ABC Signature, Trip the Light Productions |
