Ahead of the fall premiere of his upcoming television series "The Crazy Ones," five-time GRAMMY-winning comedian Robin Williams acts a little crazy on "The Tonight Show With Jay Leno" on Aug. 8 in Burbank, Calif.
Photo: Stacie McChesney/NBC/NBCU Photo Bank via Getty Images
Ahead of the fall premiere of his upcoming television series "The Crazy Ones," five-time GRAMMY-winning comedian Robin Williams acts a little crazy on "The Tonight Show With Jay Leno" on Aug. 8 in Burbank, Calif.
Photo: Stacie McChesney/NBC/NBCU Photo Bank via Getty Images