<Tr> <Th> 40 </Th> <Td> </Td> <Td> "What I Am" </Td> <Td> Dan Lerner </Td> <Td> Allan Heinberg </Td> <Td> October 12, 2006 (2006 - 10 - 12) </Td> <Td> 22.88 </Td> </Tr> <Tr> <Td_colspan="7"> Meredith's appendix bursts and she is admitted for surgery . Addison works with a pregnant woman who wants to give birth naturally, but needs to have a cesarean section . Addison begins to doubt her abilities as a surgeon after Derek broke up with her, Addison takes Alex off her rotation . Meredith is high from the painkillers and she and Addison speak frankly and apologize to each other . The interns work with a car salesman who wants to get back to his regular routine after he has a risky surgery, however, he lights a cigarette that catches his face on fire . Derek and Mark argue over the best way to treat him, each believing that their specialty is the most important and pressing . Callie breaks things off with George after he stands her up for Izzie, and she later hooks up with Mark . Derek clears Burke for surgery again, but Burke has serious doubts about whether his hand is ready or able to perform surgery again . He keeps his doubts to himself, except to tell Cristina . He practices on a corpse and he and Cristina realize his hand can't perform surgery unless he has help . They decide together to hide the truth by having Cristina assist him in his surgeries . After her surgery, Meredith makes a decision between Derek and Finn, telling Finn that he is a good man and probably a better man, but Derek is "the one". Izzie meets Denny's father, who gives her 8.7 million dollars according to Denny's wishes . </Td> </Tr> <Tr> <Th> 41 </Th> <Td> 5 </Td> <Td> "Oh, the Guilt" </Td> <Td> Jeff Melman </Td> <Td> Zoanne Clack & Tony Phelan & Joan Rater </Td> <Td> October 19, 2006 (2006 - 10 - 19) </Td> <Td> 22.05 </Td> </Tr> <Tr> <Td_colspan="7"> The interns are excited to attend their first Morbidity and Mortality conference but their excitement evaporates quickly after finding out Denny Duquette is first on the agenda . Bailey is raked over the coals for letting her interns run unsupervised about the hospital for long durations. Bailey treats a young mother battling breast cancer and realizes that she blames her infant son for everything that had happened to her . Derek and Addison finalize their divorce; Derek gives up most of their property to Addison but later learns that Mark and Addison's relationship was not just a one - night affair and that they kept seeing each other for three months . Addison and Meredith treat a former couple who got stuck inside one another during sex, however, after separating the pair, the man has a heart attack that causes him go into surgery . In the midst of the surgery, Burke's right hand begins to tremble again . Cristina covers for him by asking to practice her running whipstitch . Izzie decides to give up surgery after receiving Denny's check, but she becomes re-motivated after watching Cristina operate . Callie confesses to Meredith that she slept with another man, but doesn't name Mark . Meredith contemplates telling Derek about her break up with Finn, but is hesitant, despite the fellow interns telling her to let him know as fast as she can . George is surprised when Callie tells him that she broke up with him . </Td> </Tr>

Who dies in season 3 of grey anatomy