Season Guide
Grey’s Anatomy Season 4
Episodes
1
Having just returned from her honeymoon with Meredith, Cristina searches for Burke, but he's nowhere to be found. Meredith, Cristina, Izzie and Alex spend their first day as residents with…
2
The residents and interns treat the victims of a massive explosion at an apartment building, while Alex investigates the cause of the accident, Mama Burke returns to collect her son's…
3
The new interns are dazzled by the skill level of fellow intern George, while Lexie helps keep his "repeater" status a secret; Meredith half-heartedly helps Lexie with her first emergency…
4
The Chief's wife, Adele, rushes their niece to Seattle Grace, the hospital where she once had her prom, Izzie reveals her feelings for George to a mutual friend, and the…
5
It's Halloween, and the day is full of surprises for the doctors of Seattle Grace - Alex receives an unexpected and welcome visit from his former patient, Ava/Rebecca, Meredith is…
6
With his marriage in turmoil, the Chief turns to his fellow male surgeons for a "gentleman's evening," Cristina and Izzie heatedly compete for the same surgeries and the favor of…
7
George and Izzie's romantic chemistry is put to the test, Mark develops a crush on a fellow surgeon, and Callie's role as Chief Resident is in jeopardy.
8
The ER is filled with teenagers after a schoolbus crash, Bailey treats a patient who was her high school crush, Derek goes out on a date with a fellow doctor,…
9
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…
10
In the stunning conclusion of a two-part episode, Meredith furiously works to save the life of a paramedic trapped inside an ambulance, as her sister, Lexie, holds the life of…
11
Bailey's family faces a medical trauma, just as her marriage is falling apart; a surprise visit from George's mother comes as a shock to both Izzie and Callie; a faith…
12
Meredith and her fellow residents compete in a surgical contest. Meanwhile George and Lexie adjust to their new apartment.
13
Addison returns to Seattle Grace to perform an operation and is taken aback by all of the changes in her old co-workers' lives.
14
The nurses' objections to McSteamy's trysts lead to the instating of a new "date and tell" policy. Meanwhile news of Burke's latest career achievements force Cristina to face her feelings…
15
Dr. Wyatt refuses to let Meredith give up on therapy, Alex learns the truth about Rebecca's medical condition, the Chief insists that Erica perform a risky surgery on his mentor,…
16
On the two-hour season finale of "Grey's Anatomy," Meredith and Derek have one last shot at a successful outcome in their clinical trial, as the other surgeons work together to…
17
Meredith and Derek have one last shot at a successful outcome in their clinical trial, as the other surgeons work to free a boy from a block of cement.