It wasn't planned this way, but finished season 16 with an episode that could have served as a natural finale, answering the question of Richard Webber's fate and leaving several cliffhangers for next season to tackle.With four episodes left unproduced for the season due to COVID-19, ABC's long-running medical drama -- already renewed for a 17th season — finally revealed what was wrong with Webber, who had displayed concerning signs of Alzheimer's, the same degenerative disease Meredith's mother Ellis had, and Parkinson's.
While a faction of Grey Sloan docs were ready to submit to the fact that Webber had Alzheimer's, it was DeLuca who came in with the last-minute save: Webber was suffering from cobalt poisoning, a side effect from hip