S01E09Grey's Anatomy season 1 episode 9: Who's Zoomin' Who?
Aired 22 May 200543 minRated TV-14
Where to watch Grey's Anatomy Season 1 in Australia
Grey's Anatomy season 1 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “Who's Zoomin' Who?”
A sexually transmitted disease breaks out and affects several members of the hospital staff. Chief Webber promptly calls a meeting. Meanwhile, the chief reluctantly tells Dr. Derek Shepherd about his own medical concerns. Izzie and Cristina worry about a patient's wife and daughter who can't agree on his care. Burke treats his college buddy Bill, whose medical diagnosis raises some questions regarding his wife's actions. Then just as Meredith and Derek grow more intimate, a surprise is revealed.
Episode summary: TMDB.
Before you watch
- It is the season finale of season 1, so watch episodes 1 to 8 first.
- It runs about 43 minutes.
- Directed by Wendey Stanzler, written by Gabrielle Stanton and Harry Werksman.
- TMDB users rate it 8.2 out of 10 (26 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
- Wendey Stanzler
- Writers
- Gabrielle StantonHarry Werksman
- Guest stars
- Kate Walsh as Addison MontgomeryWayne Wilderson as Bill AdamsLauren Bowles as Alice FranklinWendy Davis as Holly AdamsCatherine Dao as Dr. KnoxJoyce Guy as Ms. HenryPatty McCormack as Rebecca FranklinJack Shearer as Jordan Franklin
Credits: TMDB.
More from Grey's Anatomy Season 1
Every episode of Season 1Grey'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.