Executive Producer Matt Groening attends a celebration of the 600th Episode of 'The Simpsons' at YouTube Space LA on October 14 2016 in Los Angeles...
{"Image ImageDescription": "LOS ANGELES, CA - OCTOBER 14: Executive Producer Matt Groening attends a celebration of the 600th Episode of \"The Simpsons\" at YouTube Space LA on October 14, 2016 in Los Angeles, California.  (Photo by Michael Tullberg/Getty Images)", "Image Copyright": "2016 Michael Tullberg"}