S15E04Grey's Anatomy season 15 episode 4: Momma Knows Best
Aired 11 October 201843 minRated TV-14
Where to watch Grey's Anatomy Season 15 in Australia
Grey's Anatomy season 15 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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From $9.99/mth
Availability checked 16 November 2026.
What happens in “Momma Knows Best”
Meredith turns heads when she shows up to work done up and ready for her blind date later that day, while Alex makes a questionable decision in order to save a patient. Meanwhile, the burden of knowing Teddy’s secret keeps Maggie up at night, ultimately making her decide she has to tell someone.
Episode summary: TMDB.
Before you watch
- It is episode 4 of 25 of season 15, so watch episodes 1 to 3 first.
- It runs about 43 minutes.
- Directed by Cecilie A. Mosli, written by William Harper.
- TMDB users rate it 8.1 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
- Cecilie A. Mosli
- Writer
- William Harper
- Guest stars
- Jason George as Ben WarrenChris Carmack as Atticus LincolnJake Borelli as Levi SchmittStefania Spampinato as Carina DeLucaJaicy Elliot as Taryn HelmFlex Alexander as Evan ForresterCaleb Emery as JuliusJosh Radnor as Jon
Credits: TMDB.
More from Grey's Anatomy Season 15
Every episode of Season 15Grey'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.