Grey's Anatomy

ABC | 9:00 pm

"Someone Saved My Life Tonight" is the title of the Season 17 finale, but it's series star Ellen Pompeo who recently made millions of "Grey's" fans very happy by signing on for at least one more season on the longest-running medical drama in TV history. Tonight's episode opens on the wedding day of Maggie and Winston (Kelly McCreary, Anthony Hill). Meanwhile, Meredith (Pompeo) assumes a new role at the hospital, while Jo (Camilla Luddington) makes a life-changing decision.