Grey's Anatomy: 10.12 'Man On The Moon' - Promotional Stills

“Man on the Moon” – April’s sisters arrive to help celebrate April’s upcoming nuptials and quickly get on her nerves. Matthew and Jackson are forced to work together when they witness a terrible accident, Callie and Arizona work hard to reestablish their relationship and Cristina is pressured to live stream an upcoming surgery. Meanwhile, a familiar face returns to the hospital, on “Grey’s Anatomy,” THURSDAY, DECEMBER 5 on ABC.