What's going on in Grey's Anatomy?

episode 1-

Meridith, Christina, Izzie, and Alex are now residents like Bailey who have their own interns to deal with. The new cheif resident is Callie Torrez which upsets Bailey. George is forced to retake his intern year because he failed his exams. He also has to work with Lexi Grey (Meridiths half sister) Christina searches for Burke, only to relize that Burke doesnt work at SG anymore. (He is off the show) Also Meridith and Derek have breakup sex and kissing. Izzie saves a dear and her interns think she is crazy.

episode 2-

Jane Burke (Burks Mom) comes to deal with what Burke left behind. She yells at Meridith for saying "It is over... so over" at Christina and Burkes wedding. Lexi tries to talk to meridith but meridith does not want to talk to lexi. Callie is struggling with her cheif resident job and Bailey is searching for things to do to show the cheif that she should be chief resident.

episode 3-

The new interns are amazing on the skill level of george. Lexi and george start forming a relationship, and lexi keeps his "repeater" issue a secert. Meridith helps lexi with her emergency patient but still is disrespectful to her. george is compelled to tell callie of his past indiscretion with izzie. the doctors also meet a new intern, norman who is very old.

episode 4-

The Chiefs wife, adele, rushes their niece to Seattle Grace, the hospital where she once had her prom because she has her cancer back. Izzie reveals her feelings for George to a mutual friend, and the reaction is not what she expects, derek teaches christina how to be a better teaching resident, and the world's oldest living intern, Norman, misdiagnoses one of meredith's patients.

episode 5-

It is halloween! and some of the interns dress up. only to make a fool out of themselves. alex gets an unexpected welcome visit from Ava/Rebecca (they have sex) meridith convinces her mommys ashes are haunting her because she has them shoved in a closet. christina is snubbed my dr. hann (who now works at SG) who she admires. callie announces george and izzies affair to some of the docors.

episode 6-

the cheif wants to have a gentelmans evening because his marrige is in turmoil. christina and izzie both fight over dr. hanns surgerys because they want her to notice them. hann picks izzie and makes izzie the cardio resident, not christina.

episode 7- george and izzies romantic chemistry is put to the test, the try to have perfect sex but it doesnt work out for them. derek tells meridith that he loves her wants to have kids with her and wants to marry her and that surprises meridith and she isnt sure if she is ready for this. then derek tells meridith if she isnt ready and if he finds someone who is, he will lleave her. mark develiopes a crush on calliee. Callies role as Chief Resident is placed in jeopardy after she delegates much of her job to Bailey.

epiosde 8-

bailey treats a patient who is her high school crush and gets emotional with himm. derek goes on a date with sydney (the happy doctor) and thatcher comes back trying to look for meridith. alex and lexi have sex.

epsiode 9-

bailey treats a patient who has a swasticka tattooed on his stomach and she is very upset about this. ava returns to SG and meets lexi, whcih does not go over well.

episode 10-

derek relys on nurse rose to save a patient and bailey struggles to balance her personal life with her work life. derekk kisses rose!!

episode 11-

baileys family faces a medical trauma when her son tucker gets smashed my a bookshelf which leads to her marrige falling apart. georges mother comes back and izzie spills to her. schocked to find out about calliie/izzie. derek deals with the aftermath of his kiss with rose. meridith finds out.

episode 12-

derek starts to date rose because meridith ends the relationship.Mmeredith and her fellow residents, alex, izzie and chrristina, compete in a surgical contest, with bailey serving as judge. meanwhile interns George and Lexie adjust to their new, squalid apartment, and Callie finds a friend in her roommate christina's nemesis, Erica Hann.callie and erica form a relationship.

episdoe 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. she also comes back saying to meridith and derek: "YAY FOR THE HAPPY COUPLE!" which no longer exsists. ava returns to the hospital with shocking news. she is pregneant. and alex does really care. also addison asks callie if her and hann are a couple. which frightens callie.

episode 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 for her ex, she misses burke ahlottt. callie and sloan have sex in the on call room. meridith and derek start a unsuccesful clinical trial.

episode 15-

dr. wyatt refuses to let meridith give up on therapy. ava also isnt pregnant like she said. the chief insists that erica perform a risky surgery on his mentor, and after receiving news of burke, cristina continues to do things contrary to her nature, going so far as cleaning her always-messy apartment. erica hann kisses callie in an elevator. derek relizes he still loves meridith. even when he is with rose.

episode 16-

meredith and derek have one last shot at there clinical trial. derek promise meridith that if they get it right they will have a bottle of champagne. callie and sloan have sex again. ava/rebecca is going mental or something and has to stay home with alex all day. alex eventually has to bring her to the emergency room because she cuts herself with a giant knife. meridith give christina a sparkle pager that gives christina first shot at any surgery and now is over missing burke. george relizes that he failed his intern exam by only one point. and the cheif lets him retake itt. george and izzie are done and george kisses lexi. also derek and meridiths cllincial trial is finally succesful! so derek and meridith end up kissing and they are going to be together again, derek also breaks up with rose. and callie kisses erica!!!!! that is the end of season 4!!!! i hope that worked for you!!!!

So, meredith and derek were having break up sex, until he said he wanted more. Then, derek kissed one of the scrub nurses and Meredith broke it off. Rose, the scrub nurse, and derek were dating, until the season finale, when Derek and Meredith, after finishing their clinical trial, were going to celebrate, Meredith went to the lot where the trailer is and set up the outline of their new house. He left saying before he could do the things he wanted to do to meredith, he would have to break it off with Rose. Also, Meredith's half sister Lexi Grey is an intern at Seattle Grace. Meredith's dad is a drunk. Alex and the girl from the third season, Eva, are having an affair. Burke and Cristina are WAY over. George and Callie got divorced. Izzy and Alex slept together on the season finale. Oh, and Erica Haun became the head of Cardio and her and Callie became VERY CLOSE. (If you know what I mean.) You can watch most of the season on watchtvsitcoms.com

I like to watch all the episodes on ABC on my computer.