Grey's Anatomy's 17th season premiered in mid-November with a major surprise: the return of as Derek Shepherd. It happened during a dream sequence after Meredith () collapsed in the parking lot.
And he was back again in the second episode as Mer battled coronavirus as a patient at Grey Sloan Memorial hospital. But Grey's being Grey's, there are many more surprises and, likely, tears ahead—as a teaser for the next new episode revealed.
In it, a voiceover says, “As Meredith's life hangs in the balance, another person from her past returns.” We see various characters on the show looking stressed and upset as they learn they can't wake Mer up.
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