The finale wrapped up with a peak viewership rating of 16.1%.

According to the producers of 'The Grand Prince's Wife of the 21st Century,' the final episode aired on the 16th recorded viewership ratings of 14.1% in the Seoul metropolitan area, 13.8% nationwide, and 5.9% among viewers aged 20-54, breaking its own personal bests for both regions. Furthermore, it ranked first among all Saturday programs, reaching a peak of 16.1% per minute. I really enjoyed watching it; it wrapped up well.