Cathy Lind Hayes

When Ross interviews with Charlie's ex-boyfriend (Greg Kinnear) for a prized grant, the doctor makes a shocking stipulation; Chandler lies about watching Joey's bizarre audition tape.

Cristina, Izzie, and Meredith are fascinated by the case of male patient; a sheltered young patient inspires Alex to better express his feelings for Izzie.

Meredith and George are at odds at work; Bailey treats Addison; Alex is jealous when Izzie pays more attention to Denny.

Meredith's fears of a bad day are realised when a medical case threatens the lives of everyone in the OR; Izzie decides to take things further with Alex.

Despite the best efforts of the Seattle Grace staff, the code black situation escalates; Bailey's distress puts her unborn baby at risk.

A patient may not survive the night if they do not receive a heart transplant in time. Ross is critical of woman who did not buy her daughter asthma medicine.