Talking to a reporter down at 1400 Bellevue (which is now EP Blvd) on April 2, 1963 after he got back (the day before) from the West Coast, where he just finished up filming Fun In Acapulco. It Happened At The World's Fair premiered in LA a day later (April 3rd) and went out nationally on April 10th

Thanks to Sly for the two smaller photos and Funky for the date and info