Grey's Anatomy - Grey's Anatomy Moment 9/11

Meredith and Derek learn that "happily ever after" isn't easy, and a military doctor who brings in a trauma patient catches Cristina's eye.

Wilhelmina, prepping her first issue of the magazine as editor, tries to lure Betty over to the dark side by offering her a job at Mode as her assistant.

Chuck goes undercover as a "Bee Girl" to solve a murder, and Lily gets Olive to a nunnery.

The whole Darling family is dealt a blow by the death of one of their own, and someone is arrested for murder.

Addison discovers that Naomi is concealing the practice's financial problems. Meanwhile, Violet wonders what secret Cooper is keeping from her.

Lynette discovers her son, Porter, has a softer side, and the time has come for the men in Susan's life to meet.

Unbeknownst to the Walkers or to Robert, Kitty publishes a tell-all memoir.

Tensions run high and secrets are revealed when the entire Walker family takes a disastrous weekend getaway together.

It will be a season of surprises in what promises to be the biggest and most demanding season ever, as 13 celebrities take the ballroom floor on Dancing with the Stars.

Five years have passed since Katherine shot her ex-husband as Susan, Lynette, Bree and Gaby stood together in solidarity to protect her.