Dizi Adı: Grey's Anatomy
Bölüm Adı: P.Y.T. (Pretty Young Thing)
Sezon/Bölüm: 7. Sezon 14. Bölüm
Yayın Tarihi: 10 Şub. 2011

Thatcher Grey, Meredith and Lexie’s father, returns to Seattle Grace with stomach pains and a new, twenty-something tattooed girlfriend, Danielle. Meanwhile, Alex clashes with the new OB, Dr. Lucy Fields, over a patient and Mark places Jackson on his service in exchange for information on Lexie.