'The Big Bang Theory' makes history as TV's longest-running sitcom

popular American sitcom ' Big Bang ory' has scripted history with its 12th and final season, and is w longest-running TV series.

With episode 276,  CBS comedy is w officially longest-running American multi-camera sitcom. It broke record of ar American sitcom titled 'Cheers' which previously held that title with 275 episodes reported E! News.

Celebrating milestone, actor Kunal Nayyar, who plays role of Raj Koothrappali on show, shared a picture of his script on Instagram along with a heartfelt caption.

He wrote, "And re you have it... this script officially makes us longest running sitcom in history of television, just surpassing show "Cheers." So cheers to that:) lil Delhi boy, making history. What a dream come true. Thank you for your kindness over se past 12 years, re are words in any langu that could ever express love I have for all of you... so, from my heart to yours, I love you. #tbbt."

American actor Kaley Cuoco, who also features on show, posted a group photo with cast and crew and said she was "blessed, humbled, amazed, grateful." She also thanked audience who supported show over last 12 seasons.

"@bigbangory_cbs is officially longest running multi-cam show in history surpassing great show Cheers. blessed, humbled, amazed, grateful. Thank you to everyone who has supported us for last 12 years. THANK YOU," she wrote.

Ahe of series finale, Cuoco h told E! News that show is "going out with a bang."

"I'm gl we're going out with a bang. I hate saying that, but it's kinda true. We wanted to go out on top," she said.

 Big Bang ory airs on Thursdays, 8 p.m. on CBS.  one-hour finale will premiere on May 16. Created by Chuck Lorre and Bill Pry, show premiered on CBS on September 24, 2007. In March 2017, series was renewed for two ditional seasons, bringing its total to twelve.

show originally centered on lives of socially awkward physicists Leonard Hofstter and Sheldon Cooper, who take a wild turn when beautiful and free-spirited Penny moves in next door.

series stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, and Melissa Rauch. It has earned 52 Emmy minations and 10 wins during its run.