Gavin And Stacey star Larry Lamb, who plays Mick Shipman in the iconic show, revealed the series was initially indicated to be a bit more 'adult' in nature.
Larry, 72, stated the 'canny' BBC was keen to make sure the show would likewise appeal to a more youthful audience.
Appearing on Loose Women on Thursday, he confessed the cast were worried about the Christmas special script, however added that was all 'disregarded' when they read it.
Wow! Gavin And Stacey's Larry Lamb informed Loose Women on Thursday the program was initially meant to be a bit more 'adult' and confessed the cast were 'concerned' about the xmas script
He said: 'I remember right at the start, it was going to be a lot more raw for an adult audience however that was quickly stepped back on.
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' The BBC were so canny. They had to capture a young audience, so they actually started leaking it online themselves prior to it went out on BBC 3.
' That was their huge issue all along, how excellent does it need to be to satisfy requirements? how daring can we be? The momentum has got to be constructed on continue.'
He stated: 'I remember right at the start, it was going to be a lot more raw for an adult audience however that was quickly stepped back on'
Larry gave an insight into his call with James Corden, 41, who co-wrote the program with Ruth Jones, when he asked him to movie the one-off, which will air on Christmas day.
I answered it and it was James. We began to have a chat and I said after ten minutes "what's the offer?
Phew! Larry confessed there were concerns amongst the cast about the new script, which will air 10 years after the last series ended, but they were all quickly assured
He stated: 'Everybody had actually been through the same sort of fret about it, but by the time we got together to go through it, then of course it's overlooked and ignored'
'" Are we gon na do another Gavin and Stacey?" You understand why because individuals simply enjoy it so much.
' He stated: "Well, that's why I called, it appears like we're going to do an Xmas Special".'.
Larry confessed there were issues amongst the cast about the new script, which will air 10 years after the last series ended, however they were all rapidly reassured.
He said: 'Everybody had been through the same sort of stress over it, however by the time we got together to read through it, then of course it's ignored and ignored.
' It wasn't working ... it might have been over': Gavin And Stacey writers Ruth Jones and James Corden almost QUIT on the Christmas special and had wanted Gavin to have an AFFAIR.
It can either be best or be wrong'.
Silver fox: He cut a really good-looking figure as she made his way on set in denims and a plaid t-shirt.
' We have a director who has directed it right from the start - she's the other family member you do not see.
' [Doing funny] is like doing your driving test everyday. It can either be ideal or be incorrect.
' There's nothing that we do that isn't composed. With comedy like that around a house, around a table, to get that totally free form that it feels perfectly natural.'.
He said:' I couldn't sit here and talk like this if I had not seen it. There were 200 people in that movie theater where we saw it and we were going nuts.
' I have to state it's like a fine fine white wine that has stuck away for another 10 years and what's come out the very best we ever did.'.
James (left) had actually said: 'We got to the point where we had actually written maybe 40 pages, and we read them back and both felt something was missing. And at that point, for about half a day, we kind of gave up on it.