<P> Arizona Robbins, M.D. is a fictional character on the ABC television series Grey's Anatomy, portrayed by Jessica Capshaw . She was introduced in the show's fifth season as an attending surgeon and the new chief of pediatric surgery . Originally contracted to appear in three episodes, Capshaw's contract was extended to the remainder of the fifth season, with her becoming a series regular in the sixth season . </P> <P> Robbins has been characterized as "quirky" and "perky", and is well known for wearing wheely sneakers and a Holly Hobbie pink scrub cap, designed to appeal to her younger patients . She was established as a love - interest for orthopedic resident Callie Torres (Sara Ramirez) after the Torres' storyline with Erica Hahn (Brooke Smith) was cut short due to what series creator Shonda Rhimes called "a lack of chemistry". Shonda Rhimes was in contrast pleased with the chemistry between Robbins and Torres, citing the addition of Capshaw to the cast as an element of the season of which she was most proud . Initial media reaction to the character was positive . Matt Mitovich of TV Guide described her as a "fan favorite", and Chris Monfette for IGN praised the addition of "fresh, new characters", such as Robbins over the course of the season . </P> <P> Following the death of Dr. Jordan Kenley (John Sloman), Chief Webber (James Pickens, Jr .) replaces his head of pediatric surgery with Dr. Arizona Robbins, a graduate of the Johns Hopkins School of Medicine . Robbins has a romantic interest in orthopedic 5 year resident Callie Torres, (Sara Ramirez) later goes on to kiss her . The two embark on a relationship, but when Torres' father, Carlos (Héctor Elizondo), learns of the relationship, he threatens to cut her off financially unless she returns home with him . When Torres' father returns to Seattle and continues to reject his daughter's Human female sexuality, Robbins is able to convince him to reconsider . She tells Mr. Torres that her father was able to accept her own sexuality, as she promised him she was still the "good man in a storm" he raised her to be, and that Torres is still the same person he raised . Torres is dismayed to learn that Robbins doesn't want children, and the two come to a conclusion that they cannot continue their relationship, since they both want different things . However, after a shooter enters Seattle Grace with a vendetta for Derek Shepherd (Patrick Dempsey), Lexie Grey (Chyler Leigh), and Richard Webber (James Pickens, Jr .), they are in lockdown together, and the two reconcile . </P> <P> Robbins receives word that she has been given a grant to go to Malawi, and become a doctor there . In the end, Torres is shown to have accepted this as well and has decided to leave with Robbins . However, a fight at the airport results in Robbins leaving for Malawi without Torres, ending their relationship . She returns, hoping to rekindle her relationship with Torres, but is initially rejected . Eventually, Torres reveals that she is pregnant with Mark Sloan (Eric Dane)'s baby . Robbins accepts the situation, and she and Torres restart their relationship . Torres gifts Robbins with a weekend getaway, and Robbins proposes to Torres . After proposing, the two get in a car crash leaving Torres in critical condition . A series of surgeries follows, including the delivery of her premature baby, along with emotional breakdowns of both Sloan and Robbins . Upon the awakening of Torres, she accepts her marriage proposal, and the two are married by Miranda Bailey (Chandra Wilson). As the fifth year residents are coming close to the end of their residency, Robbins urges Alex Karev (Justin Chambers) to work under her . At the end of the Grey's Anatomy (season 8), Robbins is hurt badly in a plane crash, resulting in her left leg being amputated . In the aftermath of the plane accident, in which Sloan and Lexie Grey were killed, the hospital is sued and eventually found guilty of negligence . Each victim including Shepherd, Meredith Grey (Ellen Pompeo), Cristina Yang (Sandra Oh), and Robbins herself must receive $15 million of compensation, which leads the hospital to a near bankruptcy as the insurances refuse to pay . Those doctors and Callie buy the hospital with the help of the Harper - Avery Foundation to prevent it from closing, and each become members of the new directing board . Robbins is initially cold towards Callie because she was the one who decided for an amputation . She also struggles with body image issues, but they slowly reconcile as Robbins tries to adapt to her new life . When Dr. Lauren Boswell (Hilarie Burton) arrives at the hospital to reconstruct the face of a baby and flirts with Robbins, she is flattered that a stranger still finds her attractive despite knowing about her injury and the two have a one - night stand . </P>

Who cut off arizona's leg in grey's anatomy