Gavin & Stacey co-writer Ruth Jones has teased the future of the popular show, saying the "door is closed but it's not locked" on further episodes of the hit BBC comedy.
The 54-year-old Welsh actress, comedian, writer, and producer, who co-wrote the hit show with James Corden said she'd never say never about the much-loved show returning.
Speaking at the Cheltenham Literature Festival to promote her new novel, Us Three, Jones teased the future of the sitcom, saying: "Your guess is as good as mine, that's the truth.
"All I can say is there are no plans at the moment, but then I say that and people go 'Yeah, but you used to say that before and then you did suddenly announce...'
"I am telling you the truth - there are no plans at the moment to write any more. But, as I said to somebody the other day, the door is closed but it's not locked.
"I don't think it's a case of us kind of going 'We're never going to do any more' but it is a case of we really just don't have the space."
Jones lives in Cardiff with her husband, David Peet, and three stepchildren, while Corden is based in the US.
"How do we get together to do it? He's not in my bubble. I'm not about to get on a plane to LA. But you know, who knows, who knows," Jones said.
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The actor and writer said she was overwhelmed by the reaction to the Christmas special.
"I continue to be surprised by people's love for the show. It's absolutely incredible and such a huge compliment," she said.
"A lot of people said to me before it went out that they don't watch telly on Christmas Day but were going to watch Gavin & Stacey.
"That was a huge compliment to me and James because it meant the people sitting down with the people they lived with, whether it was their families or friends, neighbours.
"James and I actually watched it together - my husband was there and James's wife, and we watched it with some of James's family.
"James's family didn't know what was going to happen at all and when it got to the final moment when Nessa proposed, James's younger sister, Ruth, just went 'Noooooooooo...'
"It was a lovely moment to experience that."