Johnny Galecki and Kaley Cuoco pay special tribute to late Carol Ann Susi who voiced character's mom

Johnny Galecki and Kaley Cuoco paid a special tribute to Carol Ann Susi on Thursday during a special retrospective after the series finale of The Big Bang Theory on CBS.

The 44-year-old actor and Kaley, 33, hosted the half-hour show Unraveling The Mystery: A Big Bang Farewell following the show's conclusion after 12 seasons.

Carol provided the voice of recurring unseen character Mrs. Wolowitz, the mother of Howard Wolowitz, since season one in 2007.

Farewell special: Johnny Galecki and Kaley Cuoco paid a special tribute to Carol Ann Susi on Thursday during a special retrospective Unraveling The Mystery: A Big Bang Farewell

Farewell special: Johnny Galecki and Kaley Cuoco paid a special tribute to Carol Ann Susi on Thursday during a special retrospective Unraveling The Mystery: A Big Bang Farewell

She died in November 2014 of cancer in Los Angeles after starting her entertainment career in the 1974 television series Kolchak: The Night Stalker.

'Although we never saw her she was a big, big part of the show,' Johnny said.

He recalled how the cast gathered in the show's living room area after learning of her death.

'We just told stories. We cried a bit and we laughed a lot,' Johnny said.

Recurring character: Carol provided the voice of recurring unseen character Mrs. Wolowitz, the mother of Howard Wolowitz, since season one in 2007 until her death in 2014

Recurring character: Carol provided the voice of recurring unseen character Mrs. Wolowitz, the mother of Howard Wolowitz, since season one in 2007 until her death in 2014

Johnny said he and executive producer Steve Molaro went to the props department and asked them to print out a photo of Carol.

The photo was put on the refrigerator on the show's set and she's been in every episode since.

'Every episode. Everyone loved her so much,' Kaley said. 

TV couple: Johnny and Kaley played married couple experimental physicist Leonard Hofstadter and Penny on The Big Bang Theory

TV couple: Johnny and Kaley played married couple experimental physicist Leonard Hofstadter and Penny on The Big Bang Theory

Johnny and Kaley, who played married couple experimental physicist Leonard Hofstadter and Penny, opened the special thanking TV viewers for their support.

'You kept us here for over a decade in a job that we absolutely adore,' Johnny said.

Johnny revealed that Stage 25 on the Warner Bros Lot in Burbank, California earlier this year had been renamed The Big Bang Theory Stage.

Giving thanks: The 44-year-old actor opened the special thanking TV viewers for their support

Giving thanks: The 44-year-old actor opened the special thanking TV viewers for their support

Fan favorite: Kaley co-hosted the half-hour that aired after the series finale on CBS

Fan favorite: Kaley co-hosted the half-hour that aired after the series finale on CBS

He said it was only the fifth stage in the history of Warner Bros to be named after a show.

Johnny and Kaley also marveled at the stars who made cameos on the show.

They shared clips of Laurie Metcalfe, Adam West, James Earl Jones, Billy Bob Thornton, Stephen Hawking, William Shatner, Joe Manganiello and Bill Gates on the show.

The series exited the TV airwaves with the most episodes for a multi-camera series ever with 279 episodes. It edged past NBC's Cheers, which aired for 11 seasons and 275 episodes. 

Special guests: William Shatner of Star Trek fame was among the many stars to make cameos

Special guests: William Shatner of Star Trek fame was among the many stars to make cameos

Cameo appearance: Joe Manganiello was among the stars who made cameos on the long-running CBS sitcom

Cameo appearance: Joe Manganiello was among the stars who made cameos on the long-running CBS sitcom

 

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Johnny Galecki and Kaley Cuoco pay special tribute to late Carol Ann Susi who voiced character's mom

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