Story highlights The long-running series is celebrating a milestoneCreator Shonda Rhimes says there will be at least 15 seasons(CNN) "Grey's Anatomy" is hitting a milestone, but its creator said she can't promise many more. The ABC medical drama's 300th episode is set to air Thursday and creator Shonda Rhimes told E! the show is done once star Ellen Pompeo no longer wants to portray Meredith Grey. Ellen Pompeo as Dr. Meredith Grey in the 300th episode of "Grey's Anatomy." "Ellen and I have a pact that I'm going to do the show as long as she's going to do the show," Rhimes said.

Source: CNN November 09, 2017 17:36 UTC