John Mayer is keeping late pal Bob Saget on his ... "The other night, I had a dream and I woke up crying because I saw Bob," Mayer said. "It was young Bob, and we were about to go into a restaurant.

John Mayer will appear on TBS and truTV's popular hidden camera comedy series this Thursday at 10 p.m. ET Joelle Goldstein is a Senior News Editor on the TV team for PEOPLE Digital. She has been ...