<P> The season was one of the least acclaimed of the series, in terms of awards and nominations . Despite not being nominated for a Primetime Emmy, the show received two Creative Arts Emmy Awards: Outstanding Prosthetic Makeup For A Series, Miniseries, Movie Or A Special for "How Insensitive" and Outstanding Makeup For A Single - Camera Series (Non-Prosthetic) for "Suicide is Painless". The season also received a nomination for Outstanding Drama Series at the GLAAD Media Awards . Wilson was awarded the NAACP Image Award for Outstanding Directing in a Dramatic Series for her directing in "Give Peace a Chance". The season also ranked at #10 on Movieline's top ten list . </P> <P> The number in the "No. in series" column refers to the episode's number within the overall series, whereas the number in the "No. in season" column refers to the episode's number within this particular season . "U.S. viewers in millions" refers to the number of Americans in millions who watched the episodes live . The sixth season's episodes are altogether 1032 minutes in length . </P> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 103 </Th> <Td> </Td> <Td> "Good Mourning" </Td> <Td> Edward Ornelas </Td> <Td> Krista Vernoff </Td> <Td> September 24, 2009 (2009 - 09 - 24) </Td> <Td> 17.03 </Td> </Tr> <Tr> <Td_colspan="7"> Following the cliffhanger of season 5, Izzie is shown to have survived, but gets a bad wake up call: George's death . While the staff mourns the death of George, Meredith and the other residents are unsure how to continue with their lives as George's death poses a major impact to them all, leaving them each to deal with it in their own way . </Td> </Tr> <Tr> <Th> 104 </Th> <Td> </Td> <Td> "Goodbye" </Td> <Td> Bill D'Elia </Td> <Td> Krista Vernoff </Td> <Td> September 24, 2009 (2009 - 09 - 24) </Td> <Td> 17.03 </Td> </Tr> <Tr> <Td_colspan="7"> Cristina and Owen are finding it difficult to abstain from sex as instructed by Dr. Wyatt . Meredith and Derek consummate their wedding everywhere they go . Izzie mourns her best friend, George, after his death . Richard announces Seattle Grace will be merging with Mercy West . </Td> </Tr> <Tr> <Th> 105 </Th> <Td> </Td> <Td> "I Always Feel Like Somebody's Watchin' Me" </Td> <Td> Michael Pressman </Td> <Td> Tony Phelan & Joan Rater </Td> <Td> October 1, 2009 (2009 - 10 - 01) </Td> <Td> 15.69 </Td> </Tr> <Tr> <Td_colspan="7"> Bailey and Alex's abilities are challenged when their case is complicated with the addition of the patient's schizophrenic son . All the residents and interns of Seattle Grace fear for their jobs with the coming budget cuts and begin to compete in order to survive, with unfortunate consequences . </Td> </Tr> <Tr> <Th> 106 </Th> <Td> </Td> <Td> "Tainted Obligation" </Td> <Td> Tom Verica </Td> <Td> Jenna Bans </Td> <Td> October 8, 2009 (2009 - 10 - 08) </Td> <Td> 14.13 </Td> </Tr> <Tr> <Td_colspan="7"> Meredith and Lexie are crossed with one another when Thatcher arrives, in dire need of a liver transplant, and Meredith is the only one who is viable to do so . Mark is tired of Cristina's competitive zeal so he puts her on a case involving a man desiring a penis enlargement, and Izzie sympathizes with a man dying from cancer . </Td> </Tr> <Tr> <Th> 107 </Th> <Td> 5 </Td> <Td> "Invasion" </Td> <Td> Tony Phelan </Td> <Td> Mark Wilding </Td> <Td> October 15, 2009 (2009 - 10 - 15) </Td> <Td> 13.79 </Td> </Tr> <Tr> <Td_colspan="7"> Arizona stands by an enraged Callie when her father visits with a priest to attempt to convince her to renounce her homosexuality; also, an accident derails a patient's upcoming kidney donation, with Dr. Bailey promising to set things right, segueing into a crossover with Private Practice . Following a kidney patient mishap, Izzie is fired from the hospital staff . After finding out it was because of the kidney patient, Izzie blames Alex, and leaves him a Dear John letter and evidently disappears . </Td> </Tr> <Tr> <Th> 108 </Th> <Td> 6 </Td> <Td> "I Saw What I Saw" </Td> <Td> Allison Liddi - Brown </Td> <Td> William Harper </Td> <Td> October 22, 2009 (2009 - 10 - 22) </Td> <Td> 14.67 </Td> </Tr> <Tr> <Td_colspan="7"> Following the death of a patient, all the doctors concerned with the case are interviewed in a who - dunnit style . Owen, Cristina, Bailey, Alex, Callie, Lexie, Charles, Jackson, and Reed all give their opinions, and as the story unfolds to show that April Kepner was the one whose mistake it was, she is fired, even though Derek is against it . </Td> </Tr> <Tr> <Th> 109 </Th> <Td> 7 </Td> <Td> "Give Peace a Chance" </Td> <Td> Chandra Wilson </Td> <Td> Peter Nowalk </Td> <Td> October 29, 2009 (2009 - 10 - 29) </Td> <Td> 13.74 </Td> </Tr> <Tr> <Td_colspan="7"> Derek is asked by a hospital lab - tech, Isaac (Faran Tahir), to cure him when it turns out that he has an inoperable tumor surrounding his spine . Struggling with the impossible surgery, Derek attempts to do the impossible while he questions Richard's authority by doing the surgery, even though he was told not to by Richard . </Td> </Tr> <Tr> <Th> 110 </Th> <Td> 8 </Td> <Td> "Invest in Love" </Td> <Td> Jessica Yu </Td> <Td> Stacy McKee </Td> <Td> November 5, 2009 (2009 - 11 - 05) </Td> <Td> 13.95 </Td> </Tr> <Tr> <Td_colspan="7"> Arizona is stunned when her longtime patient's parents offer the hospital a donation of twenty - five million dollars, but when her patient's condition worsens, all eyes are on her to save him . Cristina tests her relationship when she blatantly disregards Owen's orders and performs an unauthorised cardiac procedure, then later kisses Mercy Wester Jackson Avery at a surprise party for Arizona . Alex cares for a struggling newborn while Izzie remains missing . In the wake of great grief, Arizona and Callie take their relationship to the next level . </Td> </Tr> <Tr> <Th> 111 </Th> <Td> 9 </Td> <Td> "New History" </Td> <Td> Rob Corn </Td> <Td> Allan Heinberg </Td> <Td> November 12, 2009 (2009 - 11 - 12) </Td> <Td> 14.87 </Td> </Tr> <Tr> <Td_colspan="7"> Izzie's back with an old teacher of hers that's ill . Derek operates on him . Alex confronts Izzie and she blames him for being fired . Alex is equally angry because he says that "he was her husband and she didn't give him the benefit of the doubt ." Richard accidentally clips his emergency patient's bile duct, causing the patient to turn yellow . Learning of this, Richard plans on leaving surgery for a while, and there is a recap of how he starts drinking again . Cristina gets a surprise gift from Owen: a cardio - goddess, Teddy Altman . </Td> </Tr> <Tr> <Th> 112 </Th> <Td> 10 </Td> <Td> "Holidaze" </Td> <Td> Robert Berlinger </Td> <Td> Krista Vernoff </Td> <Td> November 19, 2009 (2009 - 11 - 19) </Td> <Td> 14.07 </Td> </Tr> <Tr> <Td_colspan="7"> The holidays aren't so merry for the doctors at Seattle Grace - Mercy West hospital when Cristina suspects that something is or has been going on between her boyfriend, Owen, and his old friend, Teddy . Bailey is stunned when her father makes rash judgements about her life and the choices she has made, finally culminating in a showdown at Meredith's Christmas dinner . Meanwhile, Alex is lonely since Izzie is still gone, while the Chief develops a steady addiction to alcohol . </Td> </Tr> <Tr> <Th> 113 </Th> <Td> 11 </Td> <Td> "Blink" </Td> <Td> Randy Zisk </Td> <Td> Debora Cahn </Td> <Td> January 14, 2010 (2010 - 01 - 14) </Td> <Td> 12.73 </Td> </Tr> <Tr> <Td_colspan="7"> <P> Mark flies Addison to Seattle to help with a difficult procedure on his pregnant daughter, Sloan . Owen questions Teddy's motives when she assigns Cristina the lead on a complicated surgery, and Derek's suspicions are raised when the Chief recruits Meredith to assist with a high profile operation on . Lexie sleeps with Alex . </P> This episode begins a crossover with Private Practice that concludes on "Another Second Chance". </Td> </Tr> <Tr> <Th> 114 </Th> <Td> 12 </Td> <Td> "I Like You So Much Better When You're Naked" </Td> <Td> Donna Deitch </Td> <Td> Tony Phelan & Joan Rater </Td> <Td> January 21, 2010 (2010 - 01 - 21) </Td> <Td> 12.65 </Td> </Tr> <Tr> <Td_colspan="7"> Izzie returns, after getting a message from Meredith suggesting Alex is moving on . She spends the day at the hospital attempting to win Alex back and looking for a job in the neighborhood . Torres gets the chicken pox and becomes incensed when Arizona locks her in isolation . Alex breaks up with Izzie because he thinks he deserves someone who won't leave him . Izzie leaves, never to return . Derek tells the board that Richard is drinking and they fire him . </Td> </Tr> <Tr> <Th> 115 </Th> <Td> 13 </Td> <Td> "State of Love and Trust" </Td> <Td> Jeannot Szwarc </Td> <Td> Stacy McKee </Td> <Td> February 4, 2010 (2010 - 02 - 04) </Td> <Td> 12.55 </Td> </Tr> <Tr> <Td_colspan="7"> As Derek begins his role as interim chief, he faces a potential lawsuit when Bailey and Meredith's patient awakens from anesthesia mid-surgery . Meanwhile, Teddy refuses to place Cristina on her service, while Alex begins to invest himself in Pediatrics, leaving plastics behind . As Mark refuses to speak to a heartbroken Lexie, Derek tries to convince Richard to seek treatment for his drinking . Derek later hires April Kepner and Megan Mostow back . </Td> </Tr> <Tr> <Th> 116 </Th> <Td> 14 </Td> <Td> "Valentine's Day Massacre" </Td> <Td> Stephen Cragg </Td> <Td> William Harper </Td> <Td> February 11, 2010 (2010 - 02 - 11) </Td> <Td> 12.74 </Td> </Tr> <Tr> <Td_colspan="7"> It's Valentine's Day and the doctors must treat dozens of injured people after the roof collapses at a popular romantic restaurant; Derek tries to manage his busy schedule as Chief of Surgery; Meredith wrestles with her new duties as the Chief's wife; and Mark and Callie team up to convince Sloane to do the right thing for her baby, who is determined to give the baby up for adoption . </Td> </Tr> <Tr> <Th> 117 </Th> <Td> 15 </Td> <Td> "The Time Warp" </Td> <Td> Rob Corn </Td> <Td> Zoanne Clack </Td> <Td> February 18, 2010 (2010 - 02 - 18) </Td> <Td> 10.21 </Td> </Tr> <Tr> <Td_colspan="7"> Previous medical cases involving Webber, Bailey and Callie are told as part of a decision from Derek as the new chief . The cases shed light on the beginnings of the affair between the Chief (played by J. August Richards) and Ellis (Sarah Paulson) in 1982, the makings of Bailey in the 2004 sequences, where viewers see Bailey in her pre - "Nazi" days and Callie shortly before she was introduced on the show . </Td> </Tr> <Tr> <Th> 118 </Th> <Td> 16 </Td> <Td> "Perfect Little Accident" </Td> <Td> Bill D'Elia </Td> <Td> Peter Nowalk </Td> <Td> March 4, 2010 (2010 - 03 - 04) </Td> <Td> 11.83 </Td> </Tr> <Tr> <Td_colspan="7"> Jackson Avery's relationship to the legendary Harper Avery is revealed after he is admitted to the hospital, and it creates a stir around the hospital . Cristina, along with other residents, attempt to gain his attention, while Webber and Derek are nervous about operating on Harper Avery . Arizona tries to help Teddy move on to greener pastures when she sees how obsessed she is with Owen, and Mark attempts to get on after giving up Sloan's baby through sex . </Td> </Tr> <Tr> <Th> 119 </Th> <Td> 17 </Td> <Td> "Push" </Td> <Td> Chandra Wilson </Td> <Td> Debora Cahn </Td> <Td> March 11, 2010 (2010 - 03 - 11) </Td> <Td> 10.96 </Td> </Tr> <Tr> <Td_colspan="7"> Dr. Hunt and Dr. Webber fight and compete over a patient with a large tumor, aided by Meredith and Cristina respectively . Dr. Bailey struggles to let her guard down and open up to her blooming relationship . Mark tries to get back into a relationship and asks Teddy to go out on a date . Callie realizes that Arizona does not want a baby as she does, leading her to question the relationship . Lexie realizes that Mark is moving on and breaks down . </Td> </Tr> <Tr> <Th> 120 </Th> <Td> 18 </Td> <Td> "Suicide is Painless" </Td> <Td> Jeannot Szwarc </Td> <Td> Tony Phelan & Joan Rater </Td> <Td> March 25, 2010 (2010 - 03 - 25) </Td> <Td> 11.57 </Td> </Tr> <Tr> <Td_colspan="7"> Dr. Hunt has trouble sleeping and is still showing signs of PTSD . Teddy and Hunt have been asked to help a patient die with physician assisted suicide, which leads to a flashback of Teddy and Hunt in the Army where Hunt was asked by a friend to help him die . Mark is enjoying dating Teddy and they are not having sex and he is happy . Callie confides in Mark about Arizona not wanting children . Meredith shows signs of hating Derek as Chief, as she becomes angry at Derek when she feels he stole one of her surgeries. April Kepner begins to act like Derek's assistant instead of being a surgeon because she thinks she can't do it . </Td> </Tr> <Tr> <Th> 121 </Th> <Td> 19 </Td> <Td> "Sympathy for the Parents" </Td> <Td> Debbie Allen </Td> <Td> Allan Heinberg </Td> <Td> April 1, 2010 (2010 - 04 - 01) </Td> <Td> 9.87 </Td> </Tr> <Tr> <Td_colspan="7"> Meredith and Derek begin to discuss having a child, while Teddy and Mark have sex for the first time . Alex's brother, Aaron, comes to visit, which reveals many of Alex's secrets, much to the delight of Bailey and to the annoyance of Alex . Lexie begins to notice that April is developing a crush on Derek . Dr Webber, Lexie and Derek are faced with a patient that will come to change their lives forever . </Td> </Tr> <Tr> <Th> 122 </Th> <Td> 20 </Td> <Td> "Hook, Line and Sinner" </Td> <Td> Tony Phelan </Td> <Td> Meg Marinis </Td> <Td> April 29, 2010 (2010 - 04 - 29) </Td> <Td> 10.47 </Td> </Tr> <Tr> <Td_colspan="7"> Teddy is getting more involved with Mark, to get over Owen, but Mark's daughter arrives at his house unexpectedly and in labor . Mark wants to keep the baby, and asks Torres for guidance while getting some unwanted advice from Arizona . Meredith begins to notice Dr. Kepner's crush on Derek . </Td> </Tr> <Tr> <Th> 123 </Th> <Td> 21 </Td> <Td> "How Insensitive" </Td> <Td> Tom Verica </Td> <Td> William Harper </Td> <Td> May 6, 2010 (2010 - 05 - 06) </Td> <Td> 11.03 </Td> </Tr> <Tr> <Td_colspan="7"> Bailey preps the team with mandatory sensitivity training prior to admitting a 700 - pound patient with compounded medical issues, and the case proves to be challenging in every sense of the word . Meanwhile Derek has to come face to face with a former patient's husband in a wrongful death deposition, and spending time with a heart patient's daughter opens up some old wounds for Cristina . </Td> </Tr> <Tr> <Th> 124 </Th> <Td> 22 </Td> <Td> "Shiny Happy People" </Td> <Td> Edward Ornelas </Td> <Td> Zoanne Clack & Peter Nowalk </Td> <Td> May 13, 2010 (2010 - 05 - 13) </Td> <Td> 11.05 </Td> </Tr> <Tr> <Td_colspan="7"> An elderly patient admitted into the E.R. for a heart condition sees a familiar face: a long lost love who happens to be in the E.R. as well for a fractured arm, and the staff find themselves caught up in their love story . Meanwhile, Karev treats a troubled teenage patient called Hayley May (Demi Lovato) whose parents brought her in for schizophrenia . Meredith can't help but tell Cristina about her suspicions of Owen, making Cristina confront Owen about his feelings for Teddy, and Mark makes a confession to Lexie . </Td> </Tr> <Tr> <Th> 125 </Th> <Td> 23 </Td> <Td> "Sanctuary" </Td> <Td> Stephen Cragg </Td> <Td> Shonda Rhimes </Td> <Td> May 20, 2010 (2010 - 05 - 20) </Td> <Td> 13.93 </Td> </Tr> <Tr> <Td_colspan="7"> The hospital is hit with an unprecedented crisis: a shooter is in the hospital, and making the hospital go into a lockdown . Meredith discovers that she is pregnant, while Cristina breaks up with Owen after he can't decide between her and Teddy . The shooter, Gary Clark, shoots Reed Adamson and Alex, which leads to Lexie and Mark trying to save him . Bailey must try to save Charles with the help of her patient Mary (Mandy Moore) after he is shot, while Derek is confronted by Gary Clark, who shoots him after being interrupted by April . </Td> </Tr> <Tr> <Th> 126 </Th> <Td> 24 </Td> <Td> "Death and All His Friends" </Td> <Td> Rob Corn </Td> <Td> Shonda Rhimes </Td> <Td> May 20, 2010 (2010 - 05 - 20) </Td> <Td> 16.13 </Td> </Tr> <Tr> <Td_colspan="7"> With the crisis unfolding, each character is put through extreme trials and tribulations . Cristina is put under pressure to save Derek, who has been shot . Arizona and Callie reinstate their relationship when Callie says she doesn't want to have a baby if it means she can't be with Arizona . Arizona agrees to have a baby because she said that she didn't want to stop Callie from being an excellent mother . Bailey tries to save Charles Percy, who has been shot by the shooter, with limited resources . The shooter walks into the OR where Cristina and Jackson are trying to save Derek and Jackson pretends to stop saving Derek so that the shooter goes away . Meredith thinks that Derek is going to die, and has a miscarriage . Owen realizes that he loves Cristina, and chooses her over Teddy . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> U.S. viewers (millions) </Th> </Tr>

Who gets fired on grey's anatomy season 6