Streaming Info: Season 4
A Change Is Gonna Come
Cristina, back from her honeymoon trip, searches in vain for Burke; Meredith, Cristina, Izzie and Alex spend their first day as residents with their own groups of interns.
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The residents and interns treat the victims of a massive explosion at an apartment building; Mama Burke returns to collect her son's things; Lexie tries to have a heart-to-heart with unwilling Meredith.
Let the Truth Sting
George's skill level dazzles the new interns; Meredith halfheartedly helps Lexie with her first emergency patient; Sloan and Richard attempt a radical new surgery to save a woman's ability to speak; George tells Callie of his past indiscretion with Izzie.
The Heart of the Matter
The chief's wife rushes their niece to Seattle Grace; Izzie gets an unexpected reaction when she reveals her feelings about George to a mutual friend; Derek shows Cristina how to be a better teaching resident; Norman misdiagnoses a problem.
Haunt You Every Day
Halloween is full of surprises for the doctors of Seattle Grace; Alex receives an unexpected visit from a former patient; Meredith thinks her mother's ashes are haunting her; a surgeon Cristina admires snubs her.
Kung Fu Fighting
The chief has a gentlemen's evening with his fellow surgeons; Cristina and Izzie find themselves competing for the same surgeries and the favor of the doctors performing them; Meredith tends to the survivor of a sky-diving accident.
Physical Attraction ... Chemical Reaction
George and Izzie test their romantic chemistry; Derek asks for more than a physical connection with Meredith; Mark develops a crush on a fellow surgeon; Callie finds her role as chief resident jeopardized.
Forever Young
Teenagers fill the ER after a school-bus crash; Bailey treats a patient who was her high-school crush; Derek goes on a date with a fellow doctor; Thatcher enters the ER looking for Meredith.
Crash Into Me
An ambulance crash endangers the lives of the paramedics involved; Bailey treats a patient who refuses her help; Ava returns for Alex and meets his other girlfriend.
Crash Into Me
Meredith furiously works to save the life of a paramedic trapped in an ambulance; Lexie holds a patient's life in her hands; Derek must rely on a nurse's help to save a patient; Bailey struggles to balance her personal life with work.
Lay Your Hands on Me
Bailey's family faces a medical trauma just as her marriage falls apart; George's mother makes a surprise visit; a faith healer challenges Erica and Alex's belief in traditional medicine; Derek must deal with the aftermath of his kiss with Rose.
Where the Wild Things Are
Six weeks after Derek and Meredith ended their relationship, Meredith, Alex, Izzie and Cristina compete in a surgical contest, with Bailey serving as judge; George and Lexie adjust to their new, squalid apartment; Callie finds a friend in Erica.
Piece of My Heart
Addison returns to Seattle Grace to perform an operation and is surprised by all the changes in the lives of her former co-workers; Derek and Meredith's clinical trial has its first patient; Rebecca returns with shocking news for Alex.
The Becoming
The nurses' complaints about Mark Sloan's trysts result in a date-and-tell policy; Cristina is forced to face her feelings for Burke; Meredith and Derek admit a veteran into their clinical trial.
Losing My Mind
Dr. Wyatt refuses to let Meredith give up on therapy; Alex learns the truth about Rebecca's medical condition; the chief insists Erica perform a risky surgery on his mentor.
Freedom
Meredith and Derek get one last shot at success in their clinical trial; the surgeons work together to free a boy from a block of cement; Izzie helps Alex care for Rebecca; Lexie uncovers critical information about George's status as an intern.
Freedom
Meredith and Derek get one last shot at success in their clinical trial; the surgeons work together to free a boy from a block of cement; Izzie helps Alex care for Rebecca; Lexie uncovers critical information about George's status as an intern.
