when does april appear in grey's anatomy
April Kepner Drew was cast in late September 2009 and first appeared on the show in the fifth episode of the sixth season as one of the residents from the Mercy West Hospital after its merger with Seattle Grace.[2] Drew was brought aboard Grey's Anatomy after former collaborations with the Series' producer and creator Shonda Rhimes;[3] she was formally featured as a guest in two episodes of Private Practice in 2008 and was one of the main cast in Rhimes television pilot Inside the Box (2009) which was eventually not picked up by ABC.[3] Her casting came after the absence of some of the central cast members, notably Katherine Heigl departure after her maternity leave and Ellen Pompeo's absence due to pregnancy.[2][3]