Watch Grey's Anatomy Online

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 m...

The merger has begun, so has the competition. Next week on "Grey's Anatomy", the residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger begins. The preview released for the episode reveals t...

Watch a preview of the Grey's Anatomy "Invasion" Season 6 Episode 4 airing Thursday October 15 at 9:00 p.m., ET.

Episode Synopsis: The residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger b...............

Check out the first photos of Katherine Heigl new haircut on Grey's Anatomy season 6 episode 5, which will air on October 15 at 9pm on ABC. The episode is titled "Invasion"

Episode Synopsis: The residents of Seattle Grace and Mercy West vie for sur...............

A dream is fulfilled. But first, the background. At the onset of the episode, Seattle Grace is infiltrated by Mercy West-ers. The merger has forced the chief to lay off even more people, and so both staffs are trying to undercut one another in ord...

The last episode of Gray's Anatomy was fantastic. I cant remember the last time i was so empessed with the show. It was so sensire, so meaningful.. I felt like crying a couple of times. Well, actually i did. Christina was amazing when she came to ...

In this episode of Grey's Anatomy, the new doctors from Mercy West invade Seattle Grace, putting everyone on edge. Izzie assists Bailey with a patient awaiting a kidney transplant, Lexie bonds with a burglar who broke his back, and Cristina contin...

omg did katherine Heigl leave the show????!!! I thought they they told us before the season started that she wasn't leaving? I can't beleive they fired Izzie!

And those new doctors really are not nice. I thought at least one of them would endear t...

Seriously, I was floored when Christina said that. Thank you Shonda!

I would love to have Burke back and miss his character greatly on the show. I love that this was actually addressed. I do think Burke was way more supportive of Christina's career...

Ya, its like she's blaming Alex which is bs.

I'm thinking because this cuts all ties that she my be getting her wish of being written out of the show? Just a thought.

People! People! This is a dramatic story!

Offering "advice" to Izzie is just plain ...

Ok Arizona and Callie were awesome in this episode...can't wait to see what they have in store 4 them in the future!!!!!! can you??