Scorpion (stylized as ) is an American action drama television series created by Nick Santora for CBS. The series stars Elyes Gabel, Katharine McPhee, Eddie Kaye Thomas, and Jadyn Wong, among others. Loosely based on the life of its executive producer and self-proclaimed computer expert Walter O'Brien, the series centers on O'Brien and his friends helping to solve complex global problems and save lives. The series premiered on September 22, 2014. On October 27, 2014, CBS placed a full season episode order for the first season. In March 2017, CBS renewed the series for a fourth season, which premiered on September 25, 2017.