S12E23Grey's Anatomy season 12 episode 23: At Last
Aired 12 May 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).
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Stream (subscription)
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Subscription · Listed for the whole show
From $9.99/mth
Availability checked 16 November 2026.
What happens in “At Last”
Owen and Amelia take their relationship to the next level; Alex gains some clarity on his future with Jo; and Callie and Arizona continue to struggle with the current custody arrangement.
Episode summary: TMDB.
Before you watch
- It is episode 23 of 24 of season 12, so watch episodes 1 to 22 first.
- It runs about 43 minutes.
- Directed by Rob Corn, written by Stacy McKee.
- TMDB users rate it 8.3 out of 10 (12 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
- Rob Corn
- Writer
- Stacy McKee
- Guest stars
- Debbie Allen as Catherine AverySamantha Sloyan as Penelope BlakeWilmer Valderrama as Kyle DiazAngelique Cabral as LauraRich Sommer as NoahSara Van Horn as Nash's GrandmotherErica Muñoz as Ally DiazAlma Martinez as Socorro Diaz
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.