SERIOUS ALLEGATIONS THREATEN GREY SLOAN’S REPUTATION, ON ABC’S ‘GREY’S ANATOMY’Directed by Kevin McKidd“Bad Reputation” – The hospital brings in crisis management to help them sort out allegations against Harper Avery. Meanwhile, Nurse Olivia shows up at Grey Sloan with her son, throwing Alex and Jo for a loop; and Arizona decides to spend more time with Sofia who is having a hard time at school, on “Grey’s Anatomy,” THURSDAY, APRIL 26 (8:00-9:00 p.m. EDT), on The ABC Television Network, streaming and on demand.Guest starring are Debbie Allen as Catherine Avery, Stefania Spampinato as Carina Deluca, Sarah Utterback as Nurse Olivia, Jake Borelli as Levi Schmitt, Rushi Kota as Vik Roy and Jaicy Elliot as Taryn Helm.“Bad Reputation” was written by Mark Driscoll and directed by Kevin McKidd.