Carol worries about a Russian girl with AIDS who’s brought in and then abandoned by her foster mother. Kayson asks Susan to be his Valentine. Deb accidentally consumes LSD-laced chocolates.

Carol worries about a Russian girl with AIDS who’s brought in and then abandoned by her foster mother. Kayson asks Susan to be his Valentine. Deb accidentally consumes LSD-laced chocolates.

Abby becomes fixated on solving a murder; DiNozzo’s latest fling leads to an interesting Halloween.

Don is honored at a banquet for the American Cancer Society, but finds his professional reputation has been damaged. Sally lends a hand to a relative. Megan’s parents come to…

As Sterling Cooper Draper Pryce tries to build upon its current business, Peggy is given new responsibility. Don and Harry indulge a client. Betty contemplates her mortality after seeing a…

Meredith faces the medical board as her future as a doctor remains uncertain, and she’s forced to reckon with her past in some challenging ways. Meanwhile, the interns are put…

Bailey teams with Seattle Grace’s new pediatric surgeon, Dr. Arizona Robbins, to save the life of a young patient near and dear to her heart, as the admittance of a…

The mountain climbers lie about the axe in their friend’s head, telling Derek that it accidentally got there. During surgery, he and George discover that it was deliberately put there,…

Meredith must make an important choice about which path she wants to follow to determine the future of her love life. While she considers her future she and others have…

George and Derek work together, Denny still doesn’t have a heart, and Meredith gets paired with Callie. A 12-week pregnant girl dies in the O.R. and her parents try to…

The holiday season has started but not everyone is in a festive mood. This is Alex’s last day in the hospital unless he passes his boards practical exam the next…

Meredith and Cristina lie to each other and themselves about their relationships with McDreamy and Burke, respectively. George is given a hard task to expel a discharged and defiant woman…

All the nurses at Seattle Grace Hospital go on strike, leaving the doctors to fend for themselves. George refuses to cross the picket line and finally joins the nurses on…

Dorie Russell is waiting for quintuplets, all 5 girls. Her husband seems more concerned than she is but she is set to bring her babies to their term of 36…

There’s tension between Meredith and Addison. We find out why Derek and Addison aren’t together. Bailey puts George on an impossible case. The rest of the interns operate on a…

Train Wreck victims come to Seattle Grace and all staff gets called in. Everyone deals with really weird cases. Except Addison and Izzie. They work with a woman who is…

Picks up where the last episode left off. Meredith attempts to work with Addison Shepard. George is pimped out to relay the hospital gossip back to Webber. Meredith and Cristina…

A sexually transmitted disease breaks out and affects several members of the hospital staff. Chief Webber promptly calls a meeting. Meanwhile, the chief reluctantly tells Dr. Derek Shepherd about his…

The surgical staff tries to be optimistic as a young woman clings to life after a brutal attack. Meanwhile Meredith puts her career on the line to save a newborn…

A meek and mousy young woman is found beaten to death on the floor of her apartment. Her brother- in-law is very upset but not about her death–he was paying…