<Table> <Tr> <Th_colspan="2"> Lexie Grey </Th> </Tr> <Tr> <Td_colspan="2"> Grey's Anatomy character </Td> </Tr> <Tr> <Td_colspan="2"> Chyler Leigh as Dr. Lexie Grey in a promotional image for season six . </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> "Testing 1 - 2 - 3" (3.24) May 10, 2007 (as guest star) "A Change Is Gonna Come" (4.01) September 27, 2007 (as series regular) </Td> </Tr> <Tr> <Th> Last appearance </Th> <Td> "Flight" (8.24) May 17, 2012 </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Shonda Rhimes </Td> </Tr> <Tr> <Th> Portrayed by </Th> <Td> Chyler Leigh </Td> </Tr> <Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Full name </Th> <Td> Alexandra Caroline Grey </Td> </Tr> <Tr> <Th> Nickname (s) </Th> <Td> Little Grey, Lexipedia, Three </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> Surgical resident at Seattle Grace Mercy West Hospital Surgical intern at Seattle Grace Hospital (formerly) </Td> </Tr> <Tr> <Th> Title </Th> <Td> M.D. </Td> </Tr> <Tr> <Th> Family </Th> <Td> Thatcher Grey (father) Susan Grey (mother, deceased) Molly Grey - Thompson (sister) Meredith Grey (half - sister) </Td> </Tr> <Tr> <Th> Significant other (s) </Th> <Td> Mark Sloan (deceased) Alex Karev Jackson Avery </Td> </Tr> <Tr> <Th> Relatives </Th> <Td> Eric Thompson (brother - in - law) Laura Grey - Thompson (niece) Derek Shepherd (half - brother - in - law, deceased) Zola Grey Shepherd (niece) Derek Bailey Shepherd (nephew) Ellis Shepherd (niece) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Lexie Grey </Th> </Tr>

When does lexi come in grey's anatomy
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