<P> `` A Change Is Gonna Come '' is the fourth season premiere of the American television medical drama Grey 's Anatomy , and the 62nd episode of the overall series . The premiere focused on the aftermath of the main characters ' promotion to residency , following the conclusion of their internship . The episode was the first not to feature Isaiah Washington , portraying Preston Burke , due to his being fired from the series at the conclusion of the third season . The installment marked Chyler Leigh 's promotion to series regular status , following her guest appearances in the last two episodes of the previous season . Also featured were one - time guest actors Mark Pellegrino , Stephania Childers , Sandra Thigpen , and Steven Porter . </P>
<P> `` A Change Is Gonna Come '' is the fourth season premiere of the American television medical drama Grey 's Anatomy , and the 62nd episode of the overall series . The premiere focused on the aftermath of the main characters ' promotion to residency , following the conclusion of their internship . The episode was the first not to feature Isaiah Washington , portraying Preston Burke , due to his being fired from the series at the conclusion of the third season . The installment marked Chyler Leigh 's promotion to series regular status , following her guest appearances in the last two episodes of the previous season . Also featured were one - time guest actors Mark Pellegrino , Stephania Childers , Sandra Thigpen , and Steven Porter . </P>
when do the interns become residents grey 's anatomy
when do the interns become residents grey 's anatomy
the fourth season premiere
the fourth season premiere