Bull is an American legal drama television series created by Phil McGraw and Paul Attanasio and starring Michael Weatherly. CBS ordered the pilot to series on May 13, 2016,[1] and ran for six seasons on from September 20, 2016, to May 26, 2022.[2] In April 2021, the series was renewed for a sixth season which premiered on October 7, 2021;[3][4] it was announced in January 2022 that the sixth season would be the show's last. The two-part series finale aired on May 19 and 26.[5]