Doctors Playing Doctor

Can't keep up with all the relationship drama at Seattle Grace Hospital? We've put together a little primer to help you keep track of who's sleeping with whom, who used to sleep with whom, and who works for the person he or she is and/or was sleeping with.

-- Jennifer Frey

Dr. Derek "McDreamy" Shepherd
Patrick Dempsey

Divorced from Addison, dating Meredith (his intern).

Dr. Preston Burke
Isaiah Washington

Engaged to Cristina (his intern).

Dr. Meredith Grey
Ellen Pompeo

Dating McDreamy (her boss), had a disastrous one-night thing with George.

Dr. Cristina Yang
Sandra Oh

Reluctantly engaged to Burke (her boss). Also, her former mentor and lover has just arrived as a new character (and, potentially, her boss).

Dr. Izzie Stevens
Katherine Heigl

Formerly engaged to Denny (a patient who later died), has slept with Alex, and had a disastrous (or not) one-night thing with George.

Dr. George O'Malley
T. R. Knight

Married to Callie (his boss), had one-night stands with Meredith (pre-marriage) and Izzie (post-marriage).

Dr. Alex Karev
Justin Chambers

Slept with Izzie, has kissed Addison (his boss). Oh, and he also had a fling with a nurse who later gave George syphilis.

Dr. Addison Montgomery
Kate Walsh

Cheated on McDreamy (while married) with McSteamy, has kissed Alex (her intern).

Dr. Mark "McSteamy" Sloan
Eric Dane

Slept with (married) Addison, had one-night stand with (pre-married) Callie, currently celibate (!) in an attempt to win Addison back.

Dr. Callie Torres
Sara Ramirez

Married to George (her intern), previously slept with McSteamy.

Dr. Miranda Bailey
Chandra Wilson

Happily married to someone who does not work at the hospital, thank you very much.