Paull Walia

Several of the doctors compete to be the new face of Seattle Grace; April brings an emergency case to the hospital; Alex and Jackson work with a transgender teen couple; new policies test the patience of the staff.

Eager to help Trey (recurring guest star LOGAN MARSHALL-GREEN) and Ryan repair their relationship, Marissa hosts a birthday party for Trey at Caleb's mansion that quickly gets out of control. After surfing with Carter (recurring guest star BILLY CAMPBELL), Sandy suggests introducing him to a woman friend, to Kirsten's chagrin. When Summer finds out what Seth's potential graphic novel publisher, Reed (recurring guest star MARGUERITE MOREAU), is really like, Seth is in big trouble. And after leaving town in disgrace, Julie returns and surprisingly ends up reminiscing with an old acquaintance.

Cooper hires someone to help Sam jump-start his new life as a single person; the doctors work with St. Ambrose Hospital's chief of staff to determine the cause of a baby's illness.