Grey's Anatomy

Meredith and Derek rediscover the morning-after side of their relationship; the chief learns the hospital has slipped in the national rankings.

Meredith and Derek rediscover the morning-after side of their relationship; the chief learns the hospital has slipped in the national rankings.

The hospital has a pipe break which causes a huge flood.

Meredith freaks out when Derek discovers her mother's old diary.

Bailey arranges a domino kidney surgery involving all the residents and interns.

Major Owen Hunt returns to be the head of ER trauma; Meredith finds an old doll her mother gave her when she was 5.

With solo surgeries for the residents pending, the interns and residents scramble for practice and a way to prove themselves.

Meredith's old friend, Sadie comes to Seattle Grace making Cristina is jealous; Richard looks to woo the new surgeon; the interns start cutting each other to practice their suturing techniques.

Cristina uses Meredith to get the solo surgery which Alex is also trolling for; the interns perform surgery on Sadie which goes terribly awry, exposing their little club.

Cristina is unanimously picked by the attendings for the first solo surgery, but is unable to do so due to her punishment from the Chief.

Cristina and Meredith try to put their differences aside to treat a prisoner on death row with a serious brain injury.

Derek's mother arrives in Seattle and meets Meredith for the first time; the patient on death row wants to donate his organs to Bailey's young patient, Jackson.

Bailey's patient, Jackson, continues to get worse; after a big blowout fight, Izzie is forced to face the truth about what is going on.

Derek searches for the perfect way to propose to Meredith.

Addison, Naomi and Sam rush Archer to Seattle Grace to try and save his life.

Tragedy strikes when Derek loses a pregnant patient with an aneurysm during surgery and Addison must deliver the premature baby.

Derek is being sued for malpractice and stays in a depressed state at Meredith's; Adele tries to help settle issues between Richard and Bailey.

Cristina tells Alex and Bailey about Izzie's condition; Mark is doing a face transplant on a patient and Owen and Alex are the donor gathering team.

Derek prepares to perform his first surgery since his breakdown; Owen has a PTSD episode which injures Cristina and puts their relationship in jeopardy.

Izzie continues helping to plan Derek and Meredith's wedding in spite of her cancer treatments; Owen seeks out help for his post-traumatic stress disorder.

Izzie's mother arrives at Seattle Grace; Meredith and Lexie receive a visit from their apologetic father.

A group of college students are rushed to Seattle Grace following a serious car crash on their way to the graduation ceremonies.

Izzie decides to undergo cancer surgery; Mark prepares to move forward with Lexie; Bailey finds out if she gets a pediatric fellowship.

Izzie decides to undergo cancer surgery; the Seattle Grace doctors team up following a car accident.