Skip to content
Compare TV
Grey's Anatomy S09E21, Sleeping MonsterS09E21

Grey's Anatomy · Season 9

Grey's Anatomy season 9 episode 21: Sleeping Monster

Aired 25 April 201343 minRated TV-14

8.1TMDB · 13 votesMark watched

Where to watch Grey's Anatomy Season 9 in Australia

Grey's Anatomy season 9 is streaming in Australia on Disney+ (subscription, listed for the whole show).

We may earn a commission when you sign up through our links. How we make money.

Stream (subscription)

Availability checked 16 November 2026.

What happens in “Sleeping Monster”

Bailey finds herself at the center of a CDC investigation surrounding the death of several of her patients, as Jackson and the rest of the board members argue over how to address the crisis with the public. Meanwhile, Cristina teases Alex about his unspoken feelings for Jo, and Owen continues to take special care of Ethan as the condition of his parents remains uncertain.

Episode summary: TMDB.

Before you watch

  • It is episode 21 of 24 of season 9, so watch episodes 1 to 20 first.
  • It runs about 43 minutes.
  • Directed by Bobby Roth, written by Bronwyn Garrity.
  • TMDB users rate it 8.1 out of 10 (13 votes).

Grey's Anatomy trailer

The official trailer for the series (no preview of this episode has been published).

Grey's Anatomy trailerPlay video: Grey's Anatomy trailer

Cast and crew of this episode

Director
Bobby Roth
Writer
Bronwyn Garrity
Guest stars
Camilla Luddington as Jo WilsonTessa Ferrer as Leah MurphyMichael Buie as Paul DawsonCharles Michael Davis as Jason MyersJustin Bruening as Matthew TaylorEnid Graham as Rachel DawsonKyle Red Silverstein as Ethan DawsonSarah Lilly as Joyce Basche

Credits: TMDB.

More from Grey's Anatomy Season 9

  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13
  14. E14
  15. E15
  16. E16
  17. E17
  18. E18
  19. E19
  20. E20
  21. E21
  22. E22
  23. E23
  24. E24

Every episode of Season 9Grey's Anatomy episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.