Billy Malone

Cristina won't allow herself to get excited when she is nominated for a Harper Avery award, and Alex thinks about making a change. Callie and Derek work with a machine that recognises emotions.

The doctors are exposed to flu-infected patients; Derek prepares to give a speech; a new doctor gives Alex a glimpse into an alternative medical practice.

Maggie tries to make a good impression but finds herself in unfortunate situations. Meanwhile, Richard keeps hiding his secret.

Jackson must deliver bad news to the doctors; Derek's sister visits; Richard surprises Catherine in Boston; Bailey makes a risky decision about her research.

Meredith helps Cristina write an acceptance speech and Derek feels overwhelmed by his responsibilities. April and Jackson disagree over children and religion. Callie and Arizona attempt to reconnect.

The FBI reluctantly enlist Jane's help to find a missing computer programmer, but he will not help unless Lisbon is brought on board.