HOLLYWOOD, LOS ANGELES, CALIFORNIA, USA - MAY 01: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik and Melissa Rauch attend The Cast Of 'The Big Bang Theory' Place Their Handprints In The Cement At The TCL Chinese Theatre IMAX Forecourt held at the TCL Chinese Theatre IMAX on May 1, 2019 in Hollywood, Los Angeles, California, United States. (Photo by Image Press Agency) Pictured: Johnny Galecki,Jim Parsons,Kaley Cuoco,Simon Helberg,Kunal Nayyar,Mayim Bialik,Melissa Rauch,Atmosphere World Rights,