S12E21Grey's Anatomy season 12 episode 21: You're Gonna Need Someone on Your Side
Aired 28 April 201643 minRated TV-14
Where to watch Grey's Anatomy Season 12 in Australia
Grey's Anatomy season 12 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)
Stream Now on Disney+Disney+
Subscription · Listed for the whole show
From $9.99/mth
Availability checked 16 November 2026.
What happens in “You're Gonna Need Someone on Your Side”
Stephanie’s relationship with Kyle becomes complicated. Meanwhile, Meredith encourages Amelia and Owen to take a chance and choose to be a real couple. Arizona and Callie are at odds and put their friends in the middle of an uncomfortable situation.
Episode summary: TMDB.
Before you watch
- It is episode 21 of 24 of season 12, so watch episodes 1 to 20 first.
- It runs about 43 minutes.
- Directed by Debbie Allen, written by Lauren Barnett.
- TMDB users rate it 8.2 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
- Debbie Allen
- Writer
- Lauren Barnett
- Guest stars
- Aniela Gumbs as Zola Grey ShepherdSamantha Sloyan as Penelope BlakeWilmer Valderrama as Kyle DiazCharles Maceo as ParamedicRobert Pine as VincentCharles Robinson as Leo PolsonJudyann Elder as Angelica Polson
Credits: TMDB.
More from Grey's Anatomy Season 12
Every episode of Season 12Grey'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.