Actress Chandra Wilson directs her first episode for Grey’s Anatomy.

Lexi defends wearing a diaper to surgery.

Alex breaks down after Izzie doesn't show up for her treatment.

Alex is worried that about Izzie's safety while the doctors treat burn victims.

April misses one vital step while examining a burn victim.

Alex is distracted by a phone call from Izzie during all of the chaos.

Tensions mount with the hospital merger.

Richard tells Izzie that he will have to let her go.

Callie's father tells her that he will always support her.

Robert announces more job cuts.