Oh played the ambitious and brilliant Cristina Yang on the ABC series. Like Pompeo, she was an original cast member, but she left “Grey’s Anatomy” during season 10 in 2014. Pompeo, meanwhile, was a series regular until the season 19 premiere in 2023. She continues to make appearances on the show and serves as an executive producer.

Following a difficult case, the team faces the complexities of medical ethics in a new episode of "Grey's Anatomy" season 21 airing on Thursday, March 20.

Grey's Anatomy season 21 turns another corner in episode 11, with two of the show's biggest couples having much-needed conversations.