TMDb/Grey's Anatomy TV A hospital cover-up over an unauthorized treatment threatens careers at Grey Sloan. Tune in before the season finale of Grey's Anatomy. April 3, 2026 AceShowbiz - Grey's Anatomy is heating up with a tense hospital investigation in the lead-up to its upcoming season finale. The ABC medical drama, set at the fictional Grey Sloan Memorial Hospital, is delving into a controversial incident involving an unauthorized experimental treatment, threatening careers and stirring drama among the staff.