On August 14, 2015, "Jane the Virgin" star Rachel DiPillo was cast as Sarah Reese, a fourth-year medical student. On April 19, 2019, NBC announced that original cast member Colin Donnell and Norma Kuhling would be written out of the series at the end of the fourth season for creative reasons. On Metacritic, season 1 has a weighted average score of 52 out of 100 based on 17 reviews, indicating "mixed or average" reviews. Rotten Tomatoes reported that 50% of critics have given the season 1 of the show a positive review based on 26 reviews, with an average rating of 5.52/10. The site's critics consensus reads, "While adding nothing new to the established medical procedural formula, Dick Wolf's "Chicago Med" hits its familiar beats forcefully enough to satisfy a few genre enthusiasts." "Chicago Med" airs on NBC and is available through the network's streaming platforms, on demand and Hulu with previous season "stacking rights" on the former, and pay-per-episode purchase via electronic sell-through platforms. The series will be available for streaming on Peacock along with "Chicago Fire", "Chicago P.D.", "Law & Order", "" and "". In Canada, the series aired on the Global Television Network for four seasons, then moved to CityTV. Season three aired at the start of the week ahead of the NBC air date later in the week. In the UK, "Chicago Med" premiered on March 20, 2016, on Universal Channel in the United Kingdom and Ireland. The second season aired on October 23, 2016. In Australia, the series debuted on November 23, 2016 on the Nine Network.