S21E01Grey's Anatomy season 21 episode 1: If Walls Could Talk
Aired 26 September 202444 minRated TV-14
Where to watch Grey's Anatomy Season 21 in Australia
Grey's Anatomy season 21 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 “If Walls Could Talk”
After firing some of Grey Sloan's best, Catherine continues to interfere with Meredith and Amelia's research. Accidents at a climate change protest bring unique cases to the hospital, and Bailey encounters a blast from the past.
Episode summary: TMDB.
Before you watch
- It is the season premiere of season 21.
- It runs about 44 minutes.
- Directed by Debbie Allen, written by Meg Marinis.
- TMDB users rate it 8.5 out of 10 (10 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
- Meg Marinis
- Guest stars
- Jesse Williams as Jackson AveryJake Borelli as Levi SchmittMidori Francis as Mika YasudaKali Rocha as Sydney HeronDebbie Allen as Catherine FoxDianne Doan as Molly TranAntonio Raul Garcia as IanAshton Moio as Charlie Scott
Credits: TMDB.
More from Grey's Anatomy Season 21
Every episode of Season 21Grey'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.