Addison visits Seattle Grace because they need skills that only she has. Rebecca/Ava returns with news for Alex. Meredith and Derek's clinical trial experiences one or two developments.

Time, specifically six weeks, has passed but sexual angst still runs rampant in the halls of Seattle Grace. Derek and Rose have been dating. Meredith has noticed the activities of her current off-again ex-boyfriend. George and Lexie are get...

George has a surprise visitor. Bailey's family is falling apart. Derek sorts through what kissing Rose means. Meredith discovers something that doesn't inspire hope or happiness in her. Alex treats a faith healer (Source: TV.com).

Meredith works furiously to save a paramedic trapped in an ambulance; Lexie holds the life of a patient in her hands; Derek must rely on a nurse to save a patient; Bailey struggles to balance her personal life with her work.

An ambulance crash endangers the lives of the paramedics involved, as Meredith and the Chief work on-site to save them, Bailey treats a patient who refuses her help, and Ava returns for Alex and meets his other girlfriend in the process.

There has been a bus crash and the patients are in the ER. Meredith and Derek's relationship gets more complicated when he dates a fellow doctor. Meredith's dad visits her at the hospital (Source: TV.com).

Two arguing parents, who are named Jane and Don, bring their son in because he swallowed marbles, while a middle aged woman comes in wanting cosmetic surgery on her chin. A father worries about raising a child alone when the mother needs su...

Cristina and Izzie are fighting for surgeries and a favor from someone. A patient comes to the ER with a dream and a condition which may prevent him from realizing it. The Chief turns to the other men in the hospital when his marriage is in...

It's Halloween at Seattle Grace! Some of the women form a club based on an experience they all share. A man volunteers for what most of the doctors believe is an unnecessary surgery. One of the patients is in the hospital because they ...

A face familiar to one of the year-twos shows up and dredges up issues that were never really dealt with. A teen football player needs counseling because of his father and surgery for an injury he sustained while playing the game. The girl ...

A woman named Marcy brings in her son, Hunter, because she finds his change in behavior suspicious. A patient named Connie may lose her ability to talk unless Mark and Richard can perform a radical new surgery. George impresses the other in...

A patient is in the hospital because they fell asleep in a hazardous situation. A patient's home laboratory blew up in an apartment building and the victims flood the hospital. Alex investigates the cause of the incident by talking to ...

Entering their first year as residents, Meredith Grey, Cristina Yang, Izzie Stevens and Alex Karev now have interns of their own to mentor.

Callie and George make a big decision. A successor to Chief Webber is named. A man named Jeff Pope arrives. He is looking for his wife and newborn child. Cristina and Burke's wedding day has arrived and so have the interns first-year e...

The interns take the biggest test of their careers, their first-year medical exams, as the residents attend to three injured mountain climbers. Meanwhile Callie's suspicions of George and Izzie grow, and Cristina struggles to write her...

Meredith works on her relationship with Susan and Thatcher. Cristina has to deal with her mother and Burke's. Alex continues to tend to Jane Doe/Ava. Meredith and Derek's relationship has a problem that needs resolution quick. Add...