"The Big Bang Theory" season 10 is said to be the last of the sitcom as revealed by cast member Kunal Nayyar, who plays the role of Raj, during the MCM Comic Con in London.

"Look - next season, as it stands in our contract, could be the last season of 'The Big Bang Theory.' To be completely honest... I know people are gonna want to know what happens after season 10. I don't know what's going to happen," he said, according to BBC.

During said interview, Nayyar also asked co-star Melissa Rauch if they will be having season 11 but Rauch responded that she doesn't have any idea about the matter, adding that if season 11 is coming, she still wants to be part of it, Radio Times reported.

Meanwhile, show runner Steve Molaro also once said that season 10 could be the "ending point." Molaro also said that instead of thinking of the ending, he would like to focus on each episode.

“The reality is that maybe season 10 is the ending point,” Molaro said, according to ETOnline. “The real answer is, I don’t know and all I can do right now is go episode to episode and try to make each one the best that we can.”

"The Big Bang Theory," which has a huge following and fan base, has gone long enough that even its characters has faced various changes in their lives. Leonard (Johnny Galecki) and Penny (Kaley Cuoco) remarried while Bernadette (Melissa Rauch) and Howard (Simon Helberg) are now expecting their first child. As for Sheldon (Jim Parsons) and Amy (Mayim Bialik), they already consummated their relationship after a long period of time. It appears that as the story unfolds, the characters are setting to be prepared to have a happy ending.

As for "The Big Bang Theory" season 10, spoilers reveal that Penny's mom will appear in the season and viewers will also learn about the real score between Leonard's father and Sheldon's mom.

"The Big Bang Theory" season 10 will premiere this fall on CBS.