<P> The second season of the American television medical drama Grey 's Anatomy commenced airing on the American Broadcasting Company ( ABC ) on September 25 , 2005 , and concluded on May 15 , 2006 . The season was produced by Touchstone Television , in association with Shondaland production company and The Mark Gordon Company , the showrunner being Shonda Rhimes . Actors Ellen Pompeo , Sandra Oh , Katherine Heigl , Justin Chambers , and T.R. Knight reprised their roles as surgical interns Meredith Grey , Cristina Yang , Izzie Stevens , Alex Karev , and George O'Malley , respectively . Previous main cast members Chandra Wilson , James Pickens , Jr. , Isaiah Washington , and Patrick Dempsey also returned , while Kate Walsh , who began the season in a recurring capacity , was promoted to series regular status , after appearing in seven episodes as a guest star . </P>
<P> The second season of the American television medical drama Grey 's Anatomy commenced airing on the American Broadcasting Company ( ABC ) on September 25 , 2005 , and concluded on May 15 , 2006 . The season was produced by Touchstone Television , in association with Shondaland production company and The Mark Gordon Company , the showrunner being Shonda Rhimes . Actors Ellen Pompeo , Sandra Oh , Katherine Heigl , Justin Chambers , and T.R. Knight reprised their roles as surgical interns Meredith Grey , Cristina Yang , Izzie Stevens , Alex Karev , and George O'Malley , respectively . Previous main cast members Chandra Wilson , James Pickens , Jr. , Isaiah Washington , and Patrick Dempsey also returned , while Kate Walsh , who began the season in a recurring capacity , was promoted to series regular status , after appearing in seven episodes as a guest star . </P>
when did season 2 of greys anatomy air
when did season 2 of greys anatomy air
commenced airing on the American Broadcasting Company ( ABC ) on September 25 , 2005 , and concluded on May 15 , 2006
commenced airing on the American Broadcasting Company ( ABC ) on September 25 , 2005 , and concluded on May 15 , 2006