“Hello all! It’s been my privilege to play Dr Jason Bull but after 6 Seasons of incredible storylines, I’ve decided it’s time to pursue new creative challenges and bring his story to a close. The former NCIS star explained that he has decided to leave the role of the show that centers around his character, Dr. The ball started rolling when Michael Weatherly went to Twitter to discuss Bull. What do we know now? What Did Michael Weatherly Say About Bull? Phil’s personal life has had very little drama. However, unlike Jason, and the BTS issues, Dr. This is a bit ironicbecause the series, and Dr. Although the series has had a lot of behind-the-scenes problems that have resulted in firings, lawsuits, and even testimony in Congress. In a shocking move, CBS has decided to ax their hit series Bull for a surprising reason.