S06E05Grey's Anatomy season 6 episode 5: Invasion
Aired 15 October 200943 minRated TV-14
Where to watch Grey's Anatomy Season 6 in Australia
Grey's Anatomy season 6 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “Invasion”
The residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger begins. Meanwhile, Arizona stands by an enraged Callie when her father, Mr. Torres, employs a priest to help convince her to date men, and Izzie experiences the brunt of her new surgical competition.
Episode summary: TMDB.
Before you watch
- It is episode 4 of 22 of season 6, so watch episodes 1 to 4 first.
- It runs about 43 minutes.
- Directed by Tony Phelan, written by Mark Wilding.
- TMDB users rate it 7.9 out of 10 (13 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
- Tony Phelan
- Writer
- Mark Wilding
- Guest stars
- Jesse Williams as Jackson AverySarah Drew as April KepnerHéctor Elizondo as Carlos TorresGloria Garayua as Intern GraciellaNora Zehetner as Reed AdamsonBruce French as Father KevinKathleen Wilhoite as Leslie GoldmanMark Saul as Steve
Credits: TMDB.
More from Grey's Anatomy Season 6
Every episode of Season 6Grey'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.