Grey's Anatomy returns next Thursday, April 25, with "Sleeping Monster."

In the first of four episodes that will conclude Grey's Anatomy Season 9, Bailey finds herself at the center of a CDC investigation surrounding the death of several of her patients.

Is it the hospital's problem, or just one doctor's, as Richard implies?

Check out ABC's first promo for the intense episode below ...

Meanwhile, Jackson and the rest of the board members argue over how to address the crisis with the public, and Cristina teases Alex about his obvious, yet unspoken feelings for Jo.

Finally, Owen continues to take special care of Ethan as the condition of his parents remains uncertain. How do you predict the rest of the season will play out at Grey Sloan M.H.?

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