Hugh Holub

Meredith feels left out when Derek breaks ground on his clinical trial; Bailey's new idea does not go over well with the Chief; Callie irritates her new obstetrician (Rachael Taylor).

Alan tries to avoid bringing his sexy 22-year-old girlfriend to Jake's birthday party.

The team must stop a gang of suspected murderers that is targeting a new victim nightly.

Emily continues to delicately weave her way back into the Graysons' lives while keeping her ties to Amanda and her unborn child.

A World War II Medal of Honor recipient (Charles Durning) confesses to the murder of his best friend almost 60 years ago.

Katie's efforts to get more time for herself backfire; Oliver proves to Katie that his passion for ballet is genuine; Taylor and Greg disagree over whether or not she needs to go to college.