S12E01Grey's Anatomy season 12 episode 1: Sledgehammer
Aired 24 September 201543 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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Subscription · Listed for the whole show
From $9.99/mth
Availability checked 16 November 2026.
What happens in “Sledgehammer”
The doctors from Grey Sloan Memorial Hospital spring into action to save the lives of two girls with a powerful story. Meanwhile, Meredith tries to cope with the fact that Amelia is now living with her and Jackson prepares for April's return back to Seattle.
Episode summary: TMDB.
Before you watch
- It is the season premiere of season 12.
- It runs about 43 minutes.
- Directed by Kevin McKidd, written by Stacy McKee.
- TMDB users rate it 7.9 out of 10 (14 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
- Kevin McKidd
- Writer
- Stacy McKee
- Guest stars
- Maz Jobrani as Dakhir HamedNicole Cummins-Rubio as Paramedic NicoleDebbie Allen as Catherine AveryJoe Adler as Isaac CrossJoe Dinicol as Mitchell SpencerJoey Lauren Adams as Tracy McConnellEric Lange as Steven TannerJenny Cooper as Bethany Tanner
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.