Dr. Oz On ‘Cloud-Nine,’ Unfazed By Haters After ‘Jeopardy’ Guest Hosting Stint Dr. Oz has just finished his run as guest host on "Jeopardy!" and it was one of the performances that received a massive amount of backlash. However, despite the hate he has been getting, the famous TV personality isn't letting the haters wreck one of the biggest accomplishments for his career. In fact, according to Page Six, Dr. Mehmet Oz seemed to be on cloud nine when he was out for dinner with his wife Lisa and their friends Tom Silverman and Donna D'Cruz just before his guest hosting stint was coming to an end.