S13E01Grey's Anatomy season 13 episode 1: Undo
Aired 22 September 201643 minRated TV-14
Where to watch Grey's Anatomy Season 13 in Australia
Grey's Anatomy season 13 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 “Undo”
When one of Grey Sloan’s own lands in the hospital, Bailey tries to figure out what happened while the rest of the doctors jump in to help. Meredith juggles huge secrets that affect her relationships with Alex and Maggie. While Richard helps Jo with a big decision, April and Catherine clash over the new baby.
Episode summary: TMDB.
Before you watch
- It is the season premiere of season 13.
- It runs about 43 minutes.
- Directed by Debbie Allen, written by William Harper.
- TMDB users rate it 7.9 out of 10 (17 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
- William Harper
- Guest stars
- Olivia-Diane Joseph as Nurse LivDebbie Allen as Catherine AveryJoe Adler as Isaac CrossMonica Lawson as Officer TatumJames Holloway as Paramedic ClydeJohn Bubniak as Bartender
Credits: TMDB.
More from Grey's Anatomy Season 13
Every episode of Season 13Grey'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.