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PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

May 1, 2019 / 2:16 PM PDT / CBS News

The cast from the television comedy series "The Big Bang Theory" (L-R) Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik and Melissa Rauch sign their names in the two blocks of cement at a Handprints Ceremony in front of the TCL Chinese Theater in Hollywood on May 1, 2019. (FREDERIC J. BROWN/AFP/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

(L-R) Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik and Melissa Rauch from the cast of "The Big Bang Theory" attend their handprint ceremony at the TCL Chinese Theatre IMAX on May 1, 2019 in Hollywood, California. (Photo by Rich Fury/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

(L-R) Actors Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Mayim Bialik and Melissa Rauch arrive as members from the cast of the television series "The Big Bang Theory" attend their Handprints Ceremony in front of the TCL Chinese Theater in Hollywood, California on May 1, 2019. - The show series finale will be on May 16, ending a run as the longest-running multi camera series in television history. (FREDERIC J. BROWN/AFP/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

Photographers wait in line to photograph the handprints and signatures in two blocks of cement from the cast of the television series "The Big Bang Theory" at a Hand and Footprint Ceremony in front of the TCL Chinese Theater in Hollywood, California on May 1, 2019. (FREDERIC J. BROWN/AFP/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

Co-creator Chuck Lorre gestures while speaking at the Handprints Cemremony for the cast of the television series "The Big Bang Theory" in front of the TCL Chinese Theater in Hollywood, on May 1, 2019. - The show series finale will be on May 16, ending a run as the longest-running multi camera series in television history. (FREDERIC J. BROWN/AFP/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

Actors Melissa Rauch (R), Mayim Bialik (L) and Kunal Nayyar arrive as members from the cast of the television series "The Big Bang Theory" attend their Handprints Ceremony in front of the TCL Chinese Theater in Hollywood, California on May 1, 2019. - The show series finale will be on May 16, ending a run as the longest-running multi camera series in television history. (FREDERIC J. BROWN/AFP/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

The handprints and signatures of some of the cast members from the television comedy series "The Big Bang Theory" were placed onto two blocks of cement at their Handprints Ceremony in front of the TCL Chinese Theater in Hollywood on May 1, 2019. - The show series finale will be on May 16, ending a run as the longest-running multi camera series in television history. (FREDERIC J. BROWN/AFP/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

HOLLYWOOD, CALIFORNIA - MAY 01: Kunal Nayyar from the cast of "The Big Bang Theory" speaks during their handprint ceremony at the TCL Chinese Theatre IMAX on May 1, 2019 in Hollywood, California. (Photo by Rich Fury/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

HOLLYWOOD, CALIFORNIA - MAY 01: Kaley Cuoco from the cast of "The Big Bang Theory" poses during their handprint ceremony at the TCL Chinese Theatre IMAX on May 1, 2019 in Hollywood, California. (Photo by Rich Fury/Getty Images)

PHOTOS: 'Big Bang Theory' Cast Honored With Handprint Ceremony At TCL Chinese Theater

(L-R) Actors Jim Parsons, Kaley Cuoco, Simon Helberg, Johnny Galecki and Melissa Rauch arrive as members from the cast of the television series "The Big Bang Theory" attend their Handprints Ceremony in front of the TCL Chinese Theater in Hollywood, California on May 1, 2019. - The show series finale will be on May 16, ending a run as the longest-running multi camera series in television history. (FREDERIC J. BROWN/AFP/Getty Images)