A Hard Day's Night (Grey's Anatomy)

"A Hard Day's Night" is the pilot episode of the American television medical drama Grey's Anatomy, which first aired on March 27, 2005 on the American Broadcasting Company (ABC). The episode introduces main characters and surgical interns Meredith Grey, Cristina Yang, Izzie Stevens, Alex Karev and George O'Malley. Other main cast members include Derek Shepherd, Miranda Bailey, Richard Webber and Preston Burke. These five interns become faced with what their future holds as they enter the realm of surgery at Seattle Grace Hospital.