"All By Myself"

Dr. Yang is forced to give up the coveted solo surgery, while sparks between Mark and Lexie possibly heat up.

"In the Midnight Hour"

Why the heck are the interns cutting themselves? And why the heck is Izzie still seeing Denny? And what happens when it all goes wrong?

"These Ties That Bind"

As if this season weren't turbulent enough, it's time for a couple of newcomers - Harriet Dixon and intern Sadie - to make their debuts and shake things up at Seattle Grace.

"Rise Up"

The sudden revelation that this is Brooke Smith's (Erica Hahn) last episode has dominated the discussion and speculation of this episode so far.

"Life During Wartime"

Empowered by the Chief, Bailey has new responsibility and the new head of trauma - Owen Hunt - is shaking things up at Seattle Grace.

"There's No 'I' in Team"

Mark talks with Callie about love. Seriously. Bailey heads a risky surgery - even by Seattle Grace standards. Derek gets sole credit for a tumor study he and Mer did.

"Brave New World"

Meredith freaks when Derek discovers her mother's diary, Callie preps for a date with Erica, and Cristina stumbles into a new part of the hospital.

"Here Comes the Flood"

In case the title didn't give it away, Seattle Grace is hit by a flood in this episode. Or more accurately, a plumbing fiasco.

"Dream a Little Dream of Me"

Meredith and Derek soon discover that 'happily ever after' isn't that easy, a military doctor, Dr. Owen Hunt, catches Cristina's eye, an...

"Freedom"

As the fourth season finale gets underway, Meredith Grey works with Dr. Wyatt to understand what her mother was trying to tell her when ...

Grey's Anatomy Quotes

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)

Arizona: Oh my God! I mean, I understand why you're into her. She's hot. Wait, she likes you?
Nathan: What? I mean, I'm going to try not to be offended at that.
Arizona: No, no, no. It's just that Derek was--Derek was epic for her. They were the great love story. I mean, that girl's heart beat for Derek Shepherd. It just...it never occurred to me that she would ever be with anyone else. He was perfect. He was everything. That man turned her world. It...I spooked you. Don't be spooked.