In October 2017, Cuoco founded Yes, Norman Productions, a television production company which entered an exclusive multi-year first-look production deal with Warner Bros. Television. Cuoco's first project though Yes, Norman was an adaptation of the book "The Flight Attendant", written by author Chris Bohjalian, which was developed into a comedy-drama series of the same name. Cuoco starred in the series as Cassie Bowden, and also served as executive producer. "The Flight Attendant" premiered on November 26, 2020 on WarnerMedia's streaming platform, HBO Max to widespread critical acclaim, and was renewed for a second season on December 18, 2020.