Hugh Holub

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

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).

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.

Katie’s efforts to get more time for herself backfire when she is forced to mend fences with the Westport moms by volunteering to run the school’s spring gala. Meanwhile, Oliver proves to Katie that his passion for ballet is genuine, inspiring her to confront his belittling teacher and stick up for him.

Jessica is concerned when she discovers that Eddie's substitute English teacher has thrown out the class syllabus; Louis and Honey try in vain to find a workout group that can help both of them lose some weight.