Uncle Jesse talked with "Extra's" Jerry Penacoli Thursday in Long Beach, where the actor was celebrating his 47th birthday at the Summer Concert Series.
"Everybody was buzzing about Britney yesterday and how nice she was and how she gets the comedy of that show and what they wrote for her," he said. Stamos is playing a dentist on the show (to air Sept. 28). "My hands are too big for a dentist, aren't they? My dentist has little tiny hands. He sticks them all the way down my..."