S21E15Grey's Anatomy season 21 episode 15: Bust Your Windows
Aired 17 April 202543 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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Availability checked 16 November 2026.
What happens in “Bust Your Windows”
A window washer’s platform crashes through a hospital window, testing the Grey Sloan team’s limits. Meanwhile, Blue and Simone clash over their living arrangements, and Lucas strives to impress Catherine while on her service.
Episode summary: TMDB.
Before you watch
- It is episode 15 of 18 of season 21, so watch episodes 1 to 14 first.
- It runs about 43 minutes.
- Directed by Lisa Leone, written by Scott D. Brown.
- TMDB users rate it 8.4 out of 10 (9 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
- Lisa Leone
- Writer
- Scott D. Brown
- Guest stars
- Jaicy Elliot as Taryn HelmBranden Silverman as ParamedicDebbie Allen as Catherine FoxGordon James as Nurse GregoryMoran Atias as Elham FaridTrevor Donovan as Beau CarawayAnastasia Barzee as Leah CarawayElijah Lockhart as Oliver
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.