S10E17Grey's Anatomy season 10 episode 17: Do You Know?
Aired 27 March 201443 minRated TV-14
Where to watch Grey's Anatomy Season 10 in Australia
Grey's Anatomy season 10 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “Do You Know?”
Cristina imagines the two routes her life can take based on one decision she makes. Meanwhile one of the hospital’s patients decides whether or not to live.
Episode summary: TMDB.
Before you watch
- It is episode 17 of 24 of season 10, so watch episodes 1 to 16 first.
- It runs about 43 minutes.
- Directed by Chandra Wilson, written by Stacy McKee.
- TMDB users rate it 7.6 out of 10 (11 votes).
Grey's Anatomy trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Grey's Anatomy trailer
Cast and crew of this episode
- Director
- Chandra Wilson
- Writer
- Stacy McKee
- Guest stars
- Nicole Cummins-Rubio as Paramedic NicoleAnne Dudek as Elise CastorCharlie Hofheimer as Jason CastorHeather Grace Hancock as Female InternApril Seba as Worried Mom
Credits: TMDB.
More from Grey's Anatomy Season 10
Every episode of Season 10Grey'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.