Patrick & Eugene, "Altogether Now"
Derek takes money from Alex and gives it to Izzie so she can buy a pizza. Callie and Cristina move in. Erica asks Callie out on a date.

The Bird & The Bee, "My Love"
George calls Meredith a liar. Erica stares at Callie. Bailey clocks this.

Emiliana Torrini, "Big Jumps"
Bailey reluctantly gives Callie sex advice. George finds Cristina, Izzie, and Meredith completely enthralled by the Dermotology vibe.

The Whitest Boy Alive, "Done With You"
Cristina and Lexie stabilize Mrs. Borsokowski. Alex insults Izzie. Derek refuses to give the surgery back to Alex. Bailey places Cristina on Mrs. Borsokowski's Dermatology case. Mark and Derek begin Arnie's surgery.

Josh Radin, "One Of Those Days"
George prepares Duncan to enter the OR. George enters the wrong OR and Duncan sees Arnie with his face removed. George carries Duncan down the hall. Duncan observes Hahn's surgery.

Brett Dennen, "Ain't Gonna Lose You"
Izzie comforts Marianne who is upset that she doubted her husband. Cristina, Meredith and Izzie decide to leave Dermatology. George passes his test!

Bernadette Moley, "Love to Me"
Izzie, Meredith and Cristina celebrate George's test results. Lexie sits alone. Derek scolds Alex and Izzie. Alex apologizes to Izzie.

The Rescues, "My Heart With You"
Callie and Erica set rules for dating. Meredith gives the office back to Derek. He has an idea Meredith reads her mother's diary to Cristina.