The comedy series The Big Bang Theory has had nine successful seasons so far. With its ninth outing ending on a rather unusual cliffhanger, will The Big Bang Theory Season 10 be the show’s last?

The Big Bang Theory cast member Kunal Nayyar, who plays Raj in the series, hinted that the show may soon be closing the curtains.

“Look – next season, as it stands on our contract, could be the last season of Big Bang Theory,” Nayyar said at the MCM Comic Con in London, as reported by BBC. “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.”

Both Nayyar and co-star Melissa Raunch, who plays Bernadette, agree that they personally would love to do more seasons of The Big Bang Theory.

“If it were up to me personally, I would love to do the show as long as you guys would have us on the air,” Nayyar added.

However, executive producer Steve Molaro said that nothing has been set in stone yet. When asked if Season 10 will be the show’s last, Molaro told Entertainment Weekly, “No. Right now, on this show, we go one episode at a time. I’m not really thinking of it that way. Twenty-four episodes are so many episodes that that’s not a thing we’re thinking about right now.”

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Meanwhile, The Big Bang Theory Season 10 is underway, and there are going to be significant changes in the lives of the show’s characters. Based on the Season 9 finale, there’s a possibility that Sheldon and Leonard might end up becoming brothers.

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“There was – it fell out of the script – a joke referring to them as potential brothers. I’m going to go with the word ‘uncomfortable’ probably is a good starting place for their primary emotion of where we leave them and where we will pick up,” Molaro said.

As to what fans can get excited about in Season 10, Molaro said there will be “more family members” especially since viewers will be introduced to Penny’s family and Wolowitz and Bernadette’s baby.

The Big Bang Theory Season 10 is expected to return to CBS this fall.