GREY'S ANATOMY Season 21 Episode 1 Recap And Ending Explained

GREY'S ANATOMY Season 21 Episode 1 Recap And Ending Explained
After firing some of Grey Sloan's best, Catherine continues to interfere with Meredith and Amelia's research; accidents at a climate change protest bring unique cases to the hospital; Bailey encounters a blast from the past.
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I can't believe this is still going on