<Table> <Tr> <Th_colspan="2"> George O'Malley </Th> </Tr> <Tr> <Td_colspan="2"> Grey's Anatomy character </Td> </Tr> <Tr> <Td_colspan="2"> The Season 4 promotional photo of T.R. Knight as Dr. George O'Malley </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> "A Hard Day's Night" 1x01, March 27, 2005 </Td> </Tr> <Tr> <Th> Last appearance </Th> <Td> "Good Mourning" 6x01, September 24, 2009 </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Shonda Rhimes </Td> </Tr> <Tr> <Th> Portrayed by </Th> <Td> T.R. Knight </Td> </Tr> <Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Full name </Th> <Td> George O'Malley </Td> </Tr> <Tr> <Th> Nickname (s) </Th> <Td> O'Malley 007 Syph Boy Heart in the Elevator Guy Bambi Irish Georgie Fetus Baby boy John Doe Hit by a bus guy </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> Surgical resident at Seattle Grace Hospital </Td> </Tr> <Tr> <Th> Title </Th> <Td> M.D </Td> </Tr> <Tr> <Th> Family </Th> <Td> <P> Louise O'Malley (mother) </P> Harold O'Malley (father, deceased) Jerry and Ronny O'Malley (brothers) </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Callie Torres (divorced) </Td> </Tr> <Tr> <Th> Significant other (s) </Th> <Td> Olivia Harper Meredith Grey Izzie Stevens </Td> </Tr> <Tr> <Th> Religion </Th> <Td> Catholicism </Td> </Tr> </Table> <Tr> <Th_colspan="2"> George O'Malley </Th> </Tr>

What season and episode does george o'malley die